"Ab Aeterno" (flashback 2) • "Jughead" • "Cabin Fever" (flashback 2) • "Cabin Fever" (flashback 3) • "The Man Behind the Curtain" (flashback 5) • "LaFleur" (flashback 3) • "Whatever Happened Happened" • "Dead is Dead" (flashback 1) • "The Variable" • "Follow the Leader" • "The Incident, Part 1" (1977) • "Dead is Dead" (flashback 3) • "The Man Behind the Curtain" (flashback 6) • "Dead is Dead" (flashback 4) • "Not in Portland" (flashback 4) • "Not in Portland" (flashback 7) • "One of Us" (flashback 1) • "One of Us" (flashback 2) • "One of Us" (flashback 6) • "The Man from Tallahassee" • "The Brig" (flashback 4 "2 Days Ago") • "The Man Behind the Curtain" • "Greatest Hits" (flashback 3 "6 Hours Ago") • "Through the Looking Glass, Part 1" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "Follow the Leader" (Thirty Years Later) - "Because You Left" • "The Incident, Part 1" (2007) • "The Incident, Part 2" (2007) • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "What They Died For" • "The End"

"The Incident, Part 1" (flashback 2) • "What Kate Did" (flashback 1) • "What Kate Did" (flashback 2) • "What Kate Did" (flashback 3) • "What Kate Did" (flashback 4) • "What Kate Did" (flashback 5) • "Left Behind" (flashback 1) • "Left Behind" (flashback 2) • "Left Behind" (flashback 3) • "Left Behind" (flashback 4) • "Left Behind" (flashback 5) • "Born to Run" (flashback 1) • "Born to Run" (flashback 2) • "Born to Run" (flashback 3) • "Born to Run" (flashback 4) • "Born to Run" (flashback 5) • "I Do" (flashback 1) • "I Do" (flashback 2) • "I Do" (flashback 3) • "I Do" (flashback 4) • "I Do" (flashback 5) • "I Do" (flashback 6) • "Whatever the Case May Be" (flashback 1) • "Whatever the Case May Be" (flashback 2) • "Whatever the Case May Be" (flashback 3) • "Whatever the Case May Be" (flashback 4) • "Tabula Rasa"(flashback 1) • "Tabula Rasa"(flashback 2) • "Tabula Rasa"(flashback 3) • "Tabula Rasa"(flashback 4) • "Exodus, Part 1"(flashback 4) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 2"(flashback 2) • "Pilot, Part 1"• "Pilot, Part 2" • "Tabula Rasa"• "Walkabout"• "White Rabbit"• "White Rabbit"- "Exposé" (flashback 4 "75 Days Ago") • "White Rabbit"• "House of the Rising Sun"• "House of the Rising Sun"- "What They Died For" (2004) • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Exposé" (flashback 6 "48 Days Ago") • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Little Prince" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Orientation" • "Everybody Hates Hugo" • "...And Found" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Three Minutes" (flashback 3 "13 Days Ago") • "The Hunting Party" - "Three Minutes" (flashback 3 "13 Days Ago") • "The Hunting Party" • "Fire + Water" • "The Long Con" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "The Man from Tallahassee" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "There's No Place Like Home, Part 3" • "The Little Prince" (flashback "3 Years Ago") • "The Lie" (flashback "3 Years Ago") • "There's No Place Like Home, Part 3" • "There's No Place Like Home, Part 1" (flashforward 1) • "There's No Place Like Home, Part 1" (flashforward 2) • "Whatever Happened Happened" (flashback 1) • "There's No Place Like Home, Part 1" (flashforward 4) • "There's No Place Like Home, Part 1" (flashforward 5) • "Eggtown" (flashforward 1) • "Eggtown" (flashforward 2) • "Eggtown" (flashforward 3) • "Eggtown" (flashforward 4) • "Eggtown" (flashforward 5) • "Something Nice Back Home" (flashforward 1) • "Something Nice Back Home" (flashforward 2) • "Something Nice Back Home" (flashforward 4) • "Something Nice Back Home" (flashforward 5) • "Something Nice Back Home" (flashforward 6) • "The Life and Death of Jeremy Bentham" (flashback) • "Through the Looking Glass, Part 2" (flashforward 4) • "There's No Place Like Home, Part 2" (flashforward 1) • "The Variable" (flashforward 3) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "Whatever Happened Happened" (flashback 2) • "Whatever Happened Happened" (flashback 3) • "Whatever Happened Happened" (flashback 4) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "316" • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Sundown" • "Recon" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "What They Died For" • "The End" • "LA X, Part 1" (flashsideways 2) • "LA X, Part 1" (flashsideways 5) • "LA X, Part 2" (flashsideways 2) • "LA X, Part 2" (flashsideways 1) • "LA X, Part 2" (flashsideways 4) • "LA X, Part 2" (flashsideways 4) - "What Kate Does" (flashsideways 1) • "What Kate Does" (flashsideways 1) • "What Kate Does" (flashsideways 2) • "What Kate Does" (flashsideways 3) • "What Kate Does" (flashsideways 4) • "What Kate Does" (flashsideways 5) • "What Kate Does" (flashsideways 6) • "Recon" (flashsideways 6) • "The Last Recruit" (flashsideways 2) • "What They Died For" (flashsideways 3) • "What They Died For" (flashsideways 6) • "The End" (flashsideways 1) • "The End" (flashsideways 7) • "The End" (flashsideways 8) • "The End" (flashsideways 11) • "The End" (flashsideways 13) • "The End" (flashsideways 14)

"The Incident, Part 2" (flashback 2) • "Not in Portland" (flashback 1) • "Not in Portland" (flashback 2) • "Not in Portland" (flashback 3) • "Not in Portland" (flashback 4) • "Not in Portland" (flashback 5) • "Not in Portland" (flashback 6) • "Not in Portland" (flashback 7) • "One of Us" (flashback 1) • "One of Us" (flashback 2) • "The Other Woman" (flashback 1) • "The Other Woman" (flashback 2) • "One of Us" (flashback 3) • "The Other Woman" (flashback 4) • "One of Us" (flashback 5) • "The Other Woman" (flashback 3) • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) • "The Envelope" • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) - "The Other Woman" (flashback 3) • "One of Us" (flashback 6) • "The Other Woman" (flashback 4) • "The Other Woman" (flashback 5) • "Room 23" • "Exposé" (flashback 7 "32 Days Ago") • "The Deal" • "A Tale of Two Cities" • "The Glass Ballerina" • "Every Man for Himself" • "The Cost of Living" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • "The Man from Tallahassee" • "One of Us" (flashback 7) • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "Operation: Sleeper" • "The Brig" (flashback 2 "3 Days Ago") • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Constant" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "This Place is Death" - "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 1) • "LaFleur" (flashback 2) • "LaFleur" (flashback 3) • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The End" (flashsideways 3) • "The End" (flashsideways 5) • "The End" (flashsideways 7) • "The End" (flashsideways 11) • "The End" (flashsideways 14)

"Abandoned" (flashback 2) • "Abandoned" (flashback 4) • "Hearts and Minds" (flashback 1) • "Hearts and Minds" (flashback 2) • "Hearts and Minds" (flashback 3) • "Hearts and Minds" (flashback 4) • "Hearts and Minds" (flashback 5) • "Exodus, Part 1"(flashback 5) • "Exposé" • "Exodus, Part 3" (flashback 3) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"• "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "White Rabbit"- "Exposé" (flashback 4 "75 Days Ago") • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "...In Translation" • "Deus Ex Machina" • "Deus Ex Machina" - "The Other 48 Days" (flashback "Day 41") • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Further Instructions" • "LA X, Part 1" (flashsideways 3) • "LA X, Part 1" (flashsideways 5) • "The End" (flashsideways 6) • "The End" (flashsideways 6)

"Collision" (flashback 1) • "Collision" (flashback 2) • "Collision" (flashback 3) • "Collision" (flashback 4) • "Collision" (flashback 5) • "Two For the Road" (flashback 1) • "Two For the Road" (flashback 2) • "Two For the Road" (flashback 3) • "Two For the Road" (flashback 4) • "Two For the Road" (flashback 5) • "Exodus, Part 1"(flashback 2) • "Two For the Road" (flashback 5) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 2") • "The Other 48 Days"(flashback "Day 3") • "The Other 48 Days"(flashback "Day 12") • "The Other 48 Days"(flashback "Day 15") • "The Other 48 Days"(flashback "Day 17") • "The Other 48 Days"(flashback "Day 19") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 24") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other 48 Days"(flashback "Day 41") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "The Other 48 Days"(flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "The Lie" • "What They Died For" (flashsideways 6)

"Special" (flashback 1) • "Special" (flashback 2) • "Special" (flashback 3) • "Special" (flashback 4) • "Adrift" (flashback 1) • "Adrift" (flashback 2) • "Adrift" (flashback 3) • "Adrift" (flashback 4) • "Special" (flashback 6) • "Special" (flashback 7) • "Special" (flashback 8) • "Exodus, Part 1"(flashback 1) • "Exodus, Part 2" (flashback 4) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "Arzt & Crafts" • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Buried Secrets" • "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Jin Has a Temper-Tantrum On the Golf Course" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • Tropical Depression • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Adrift" • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "Three Minutes" (flashback 1 "13 Days Ago") • "The Hunting Party" - "Three Minutes" (flashback 1 "13 Days Ago") • "Three Minutes" (flashback 1 "13 Days Ago") • "Three Minutes" (flashback 2 "13 Days Ago") • "Three Minutes" (flashback 3 "13 Days Ago") • "Three Minutes" (flashback 4 "11 Days Ago") • "Three Minutes" (flashback 5 "3 Days Ago") • "The Deal" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Meet Kevin Johnson" (flashback) • "Ji Yeon" • "Meet Kevin Johnson" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "Everybody Loves Hugo"

"The Cost of Living" (flashback 1) • "The 23rd Psalm" (flashback 1) • "The 23rd Psalm" (flashback 2) • "The 23rd Psalm" (flashback 3) • "The 23rd Psalm" (flashback 4) • "The 23rd Psalm" (flashback 5) • "The 23rd Psalm" (flashback 6) - "The Cost of Living" (flashback 2) • "The Cost of Living" (flashback 3) • "The Cost of Living" (flashback 4) • "The Cost of Living" (flashback 5) • "The Cost of Living" (flashback 6) • "The Cost of Living" (flashback 7) • "?" (flashback 1) • "?" (flashback 2) • "?" (flashback 3) • "?" (flashback 4) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 2") • "The Other 48 Days"(flashback "Day 7") • "The Other 48 Days"(flashback "Day 12") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other 48 Days"(flashback "Day 41") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "The Other 48 Days"(flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "Fire + Water" • "Maternity Leave" • "Dave" • "S.O.S." • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Further Instructions" • "The Cost of Living" • "I Do"

"The Variable" (flashback 1) • "The Variable" (flashback 2) • "The Constant" (Travel 4) • "The Constant" (Travel 5) • "Confirmed Dead" (flashback 1) - "The Variable" (flashback 3) • "The Variable" (flashback 3) • "The Variable" (flashback 4) • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Constant" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "LaFleur" (flashback 2) • "LaFleur" (flashback 3) • "The Variable" • "Because You Left" (flashforward) • "The Variable" • "Follow the Leader" • "The Variable" • "Follow the Leader" • "Happily Ever After" (flashsideways 1) • "The End" (flashsideways 7)

"Exposé" (flashback 1) • "Exposé" (flashback 1) - "Ji Yeon" (flashforward 1) • "Exposé" (flashback 1) • "Exposé" (flashback 2 "84 Days Ago") • "Exposé" (flashback 3 "80 Days Ago") • "Exposé" (flashback 4 "75 Days Ago") • "Exposé" (flashback 5 "57 Days Ago") • "Exposé" (flashback 6 "48 Days Ago") • "Further Instructions" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "I Do" • "Tricia Tanaka is Dead" • "Enter 77" • "Exposé" (flashback 9 "12 Hours Ago") • "Exposé" (flashback 10 "8 Hours Ago") • "Exposé"

"Outlaws" (flashback 1) • "The Incident, Part 1" (flashback 3) • "Confidence Man"(flashback 1) • "Confidence Man"(flashback 2) • "Confidence Man"(flashback 3) • "Confidence Man"(flashback 4) • "Confidence Man"(flashback 5) • "The Long Con" (flashback 1) • "The Long Con" (flashback 2) • "The Long Con" (flashback 3) • "The Long Con" (flashback 4) • "The Long Con" (flashback 5) • "The Long Con" (flashback 6) • "Every Man for Himself" (flashback 1) • "Every Man for Himself" (flashback 2) • "Every Man for Himself" (flashback 3) • "Every Man for Himself" (flashback 4) • "Outlaws" (flashback 2) • "Outlaws" (flashback 3) • "Outlaws" (flashback 4) • "Two For the Road" (flashback 4) • "Outlaws" (flashback 4) • "Outlaws" (flashback 5) • "Hearts and Minds" (flashback 3) • "Exodus, Part 1"(flashback 3) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Adrift" • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "The Hunting Party" - "Three Minutes" (flashback 3 "13 day ago") • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "Every Man for Himself" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "Exposé" (flashback 9 "12 Hours Ago") • "Exposé" - "Exposé" (flashback 10 "8 Hours Ago") • "Exposé" • "Left Behind" • "One of Us" • "Catch-22" • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "This Place is Death" - "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 2 "3 Years Ago") • "LaFleur" (flashback 3 "3 Years Ago") • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "The Substitute" • "Recon" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "What They Died For" • "The End" • "The End" • "LA X, Part 1" (flashsideways 2) • "LA X, Part 1" (flashsideways 4) • "LA X, Part 1" (flashsideways 5) • "LA X, Part 2" (flashsideways 1) • "Recon" (flashsideways 1) • "Recon" (flashsideways 2) • "Recon" (flashsideways 3) • "Recon" (flashsideways 4) • "Recon" (flashsideways 5) • "Recon" (flashsideways 6) • "The Last Recruit" (flashsideways 2) • "The Last Recruit" (flashsideways 4) • "What They Died For" (flashsideways 3) • "What They Died For" (flashsideways 6) • "The End" (flashsideways 1) • "The End" (flashsideways 3) • "The End" (flashsideways 5) • "The End" (flashsideways 2) • "The End" (flashsideways 3) • "The End" (flashsideways 6)

"Catch-22" (flashback 1) • "Catch-22" (flashback 2) • "Catch-22" (flashback 3) • "Catch-22" (flashback 4) • "Catch-22" (flashback 5) • "Flashes Before Your Eyes" (Flash) • "The Constant" (Travel 1) • "The Constant" (Travel 2) • "The Constant" (Travel 3) • "The Constant" (Travel 4) • "The Constant" (Travel 5) • "The Constant" (Travel 6) • "The Constant" (Travel 7) • "Live Together, Die Alone, Part 1" (flashback 1) • "Live Together, Die Alone, Part 1" (flashback 2) • "Live Together, Die Alone, Part 1" (flashback 3) • "Man of Science, Man of Faith" (flashback 4) • "Live Together, Die Alone, Part 1" (flashback 4) • "Live Together, Die Alone, Part 1" (flashback 5) • "Live Together, Die Alone, Part 2" (flashback 1) • "Live Together, Die Alone, Part 2" (flashback 2) • "Because You Left" • "Live Together, Die Alone, Part 2" (flashback 3) • "Live Together, Die Alone, Part 2" (flashback 4) • "Man of Science, Man of Faith" • "Adrift" • "Man of Science, Man of Faith" • "Orientation" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Live Together, Die Alone, Part 2" - "Flashes Before Your Eyes" (flashback 1) • "Flashes Before Your Eyes" (Flash) • "Flashes Before Your Eyes" (flashback 2) • "Further Instructions" • "Every Man for Himself" • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "I Do" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Par Avion" • "Exposé" (flashback 9 "12 Hours Ago") • "Exposé" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "The Economist" • "The Constant" • "Ji Yeon" • "Meet Kevin Johnson" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Lie" (flashback "3 Years Ago") • "The Variable" • "Jughead" (flashback) • "Because You Left" • "Jughead" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "Dead is Dead" (flashback 6) • "The Variable" • "The Package" • "Happily Ever After" • "Everybody Loves Hugo" • "The Last Recruit" • "The End" • "The End" • "LA X, Part 1" (flashsideways 1) • "LA X, Part 1" (flashsideways 4) • "Happily Ever After" (flashsideways 1) • "Happily Ever After" (flashsideways 2) • "Everybody Loves Hugo" (flashsideways 3) • "Everybody Loves Hugo" (flashsideways 5) • "Everybody Loves Hugo" (flashsideways 6) • "The Last Recruit" (flashsideways 3) • "What They Died For" (flashsideways 1) • "What They Died For" (flashsideways 2) • "What They Died For" (flashsideways 3) • "What They Died For" (flashsideways 6) • "The End" (flashsideways 1) • "The End" (flashsideways 7) • "The End" (flashsideways 8) • "The End" (flashsideways 6)

"He's Our You" (flashback 1) • "One of Them" (flashback 1) • "One of Them" (flashback 1) - "What Kate Did" (flashback 5) • "One of Them" (flashback 1) • "One of Them" (flashback 2) • "One of Them" (flashback 3) • "One of Them" (flashback 4) • "One of Them" (flashback 5) • "What Kate Did" (flashback 5) • "Solitary"(flashback 1) • "Solitary"(flashback 2) • "Solitary"(flashback 3) • "Solitary"(flashback 4) • "Solitary"(flashback 5) • "Enter 77" (flashback 1) • "Enter 77" (flashback 2) • "Enter 77" (flashback 3) • "Enter 77" (flashback 4) • "Enter 77" (flashback 5) • "The Greater Good" (flashback 1) • "The Greater Good" (flashback 2) • "The Greater Good" (flashback 3) • "The Greater Good" (flashback 4) • "The Greater Good" (flashback 5) • "The Greater Good" (flashback 6) • "Exodus, Part 1"(flashback 5) • "Exodus, Part 2" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Orientation" • "Everybody Hates Hugo" • "Abandoned" • "[["The Other 48 Days"]]" • "Collision" • "What Kate Did" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "The Whole Truth" • "Lockdown" • "Dave" • "Two For the Road" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "The Glass Ballerina" • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "I Do" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "The Man from Tallahassee" • "Left Behind" • "One of Us" • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "The Constant" • "Ji Yeon" • "Meet Kevin Johnson" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Lie" (flashback "3 Years Ago") • "The Variable" • "There's No Place Like Home, Part 1" (flashforward 1) • "There's No Place Like Home, Part 1" (flashforward 2) • "There's No Place Like Home, Part 1" (flashforward 4) • "There's No Place Like Home, Part 1" (flashforward 5) • "The Incident, Part 1" (flashback 4) • "The Shape of Things to Come" (flashforward 2) • "The Shape of Things to Come" (flashforward 3) • "The Shape of Things to Come" (flashforward 4) • "The Economist" (flashforward 1) • "The Economist" (flashforward 2) • "The Economist" (flashforward 3) • "The Economist" (flashforward 4) • "The Economist" (flashforward 5) • "He's Our You" (flashback 2) • "The Life and Death of Jeremy Bentham" (flashback) • "He's Our You" (flashback 3) • "The Variable" (flashforward 1) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "316" (flashback "46 Hours Ago") • "He's Our You" (flashback 5) • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "Namaste" • "He's Our You" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Sundown" • "Recon" • "The Package" • "Happily Ever After" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "LA X, Part 1" (flashsideways 4) • "LA X, Part 1" (flashsideways 5) • "LA X, Part 2" (flashsideways 4) • "Sundown" (flashsideways 1) • "Sundown" (flashsideways 2) • "Sundown" (flashsideways 3) • "Sundown" (flashsideways 4) • "Sundown" (flashsideways 5) • "Sundown" (flashsideways 5) - "The Package" (flashsideways 6) • "The Package" (flashsideways 6) • "The Last Recruit" (flashsideways 2) • "The Last Recruit" (flashsideways 4) • "What They Died For" (flashsideways 3) • "What They Died For" (flashsideways 6) • "The End" (flashsideways 2) • "The End" (flashsideways 3) • "The End" (flashsideways 6) • "The End" (flashsideways 6)

"...And Found" (flashback 1) • "...And Found" (flashback 2) • "...And Found" (flashback 3) • "...And Found" (flashback 4) • "...And Found" (flashback 5) • "...And Found" (flashback 6) • "House of the Rising Sun"(flashback 1) • "...In Translation" (flashback 1) • "House of the Rising Sun"(flashback 2) • "The Incident, Part 1" (flashback 7) • "...In Translation" (flashback 2) • "D.O.C." (flashback 1) • "D.O.C." (flashback 2) • "D.O.C." (flashback 5) • "Ji Yeon" (flashback 1) • "Ji Yeon" (flashback 2) • "Ji Yeon" (flashback 3) • "...In Translation" (flashback 3) • "House of the Rising Sun"(flashback 3) • "...In Translation" (flashback 4) • "House of the Rising Sun"(flashback 4) - "...In Translation" (flashback 4) • "...In Translation" (flashback 4) • "The Whole Truth" (flashback 1) • "The Whole Truth" (flashback 3) • "The Glass Ballerina" (flashback 3) • "The Glass Ballerina" (flashback 4) • "The Glass Ballerina" (flashback 5) • "House of the Rising Sun"(flashback 5) • "...In Translation" (flashback 5) • "White Rabbit"(flashback 6) - "Two For the Road" (flashback 5) - "House of the Rising Sun"(flashback 6) • "House of the Rising Sun"(flashback 6) • "Exodus, Part 1"(flashback 6) • "Exodus, Part 2" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"- "Walkabout"(flashback 1) - "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "Arzt & Crafts" • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Buried Secrets" • "Raised By Another"• "Hearts and Minds" • "Homecoming" • "...In Translation" • "Jin Has a Temper-Tantrum On the Golf Course" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "The Other 48 Days"(flashback "Day 45") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "The Long Con" • "One of Them" • "The Whole Truth" • "Lockdown" • "Dave" • "Two For the Road" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "The Glass Ballerina" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "Exposé" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Eggtown" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Little Prince" • "This Place is Death" • "This Place is Death" - "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 2 "3 Years Ago") • "LaFleur" (flashback 3 "3 Years Ago") • "LaFleur" • "316" • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Recon" • "The Package" • "Happily Ever After" • "The Last Recruit" • "The Candidate" • "LA X, Part 1" (flashsideways 3) • "LA X, Part 1" (flashsideways 5) • "LA X, Part 2" (flashsideways 3) • "The Package" (flashsideways 1) • "The Package" (flashsideways 2) • "The Package" (flashsideways 3) • "The Package" (flashsideways 4) • "The Package" (flashsideways 5) • "The Package" (flashsideways 6) • "The Package" (flashsideways 6) - "Sundown" (flashsideways 5) • "The Package" (flashsideways 6) • "The Last Recruit" (flashsideways 1) • "The Last Recruit" (flashsideways 6) • "The Candidate" (flashsideways 5) • "The End" (flashsideways 3) • "The End" (flashsideways 2) • "The End" (flashsideways 6)

"The Glass Ballerina" (flashback 1) • "...And Found" (flashback 1) • "...And Found" (flashback 3) • "...And Found" (flashback 4) • "...And Found" (flashback 5) • "...And Found" (flashback 6) • "House of the Rising Sun"(flashback 1) • "House of the Rising Sun"(flashback 2) • "The Incident, Part 1" (flashback 7) • "...In Translation" (flashback 2) • "D.O.C." (flashback 1) • "D.O.C." (flashback 2) • "D.O.C." (flashback 3) • "D.O.C." (flashback 4) • "D.O.C." (flashback 5) • "D.O.C." (flashback 6) • "House of the Rising Sun"(flashback 3) • "...In Translation" (flashback 4) • "House of the Rising Sun"(flashback 4) - "...In Translation" (flashback 4) • "House of the Rising Sun"(flashback 4) • "The Whole Truth" (flashback 1) • "The Whole Truth" (flashback 2) • "The Whole Truth" (flashback 3) • "The Whole Truth" (flashback 4) • "The Whole Truth" (flashback 5) • "The Glass Ballerina" (flashback 2) • "The Glass Ballerina" (flashback 4) • "The Glass Ballerina" (flashback 6) • "House of the Rising Sun"(flashback 5) • "House of the Rising Sun"(flashback 6) • "Exodus, Part 1"(flashback 6) • "Exodus, Part 2" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "Arzt & Crafts" • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Buried Secrets" • "Solitary"• "Raised By Another"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Everybody Hates Hugo" • "...And Found" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "Maternity Leave" • "The Whole Truth" • "Dave" • "S.O.S." • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "The Glass Ballerina" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "Exposé" • "Left Behind" • "One of Us" • "D.O.C." • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Eggtown" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Lie" (flashback "3 Years Ago") • "The Variable" • "There's No Place Like Home, Part 1" (flashforward 1) • "There's No Place Like Home, Part 1" (flashforward 2) • "There's No Place Like Home, Part 1" (flashforward 3) • "Ji Yeon" (flashforward 1) • "Ji Yeon" (flashforward 2) • "Ji Yeon" (flashforward 3) • "Ji Yeon" (flashforward 4) • "The Variable" (flashforward 2) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "Namaste" • "Dead is Dead" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "Sundown" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "LA X, Part 1" (flashsideways 3) • "LA X, Part 1" (flashsideways 5) • "LA X, Part 2" (flashsideways 3) • "The Package" (flashsideways 1) • "The Package" (flashsideways 2) • "The Package" (flashsideways 3) • "The Package" (flashsideways 4) • "The Package" (flashsideways 5) • "The Package" (flashsideways 6) • "The Last Recruit" (flashsideways 1) • "The Last Recruit" (flashsideways 6) • "The End" (flashsideways 3) • "The End" (flashsideways 2) • "The End" (flashsideways 6)

"Confirmed Dead" (flashback 4) • "Meet Kevin Johnson" (flashback) • "Confirmed Dead" • "The Economist" • "The Constant" • "Ji Yeon" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Lie" (flashback "3 Years Ago") • "The Variable" • "316" (flashback "46 Hours Ago") • "Namaste" • "Dead is Dead" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "Sundown" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "The End" • "The End"

"LaFleur" (flashback 3) • "The Variable" • "Follow the Leader" • "Confirmed Dead" (flashback 3) • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Constant" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "Recon" (flashsideways 3) • "Recon" (flashsideways 5) • "The End" (flashsideways 7)

"The Man Behind the Curtain" (flashback 1) • "The Man Behind the Curtain" (flashback 2) • "The Man Behind the Curtain" (flashback 3) • "The Man Behind the Curtain" (flashback 4) • "The Man Behind the Curtain" (flashback 5) • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Dead is Dead" (flashback 1) • "Dead is Dead" (flashback 2) • "Dead is Dead" (flashback 3) • "The Man Behind the Curtain" (flashback 6) • "Dead is Dead" (flashback 4) • "One of Us" (flashback 2) • "The Other Woman" (flashback 1) • "The Other Woman" (flashback 3) • "One of Us" (flashback 3) • "One of Us" (flashback 5) • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) - "The Other Woman" (flashback 4) • "One of Us" (flashback 6) • "The Other Woman" (flashback 5) • "The Other Woman" (flashback 6) • "Room 23" • "Exposé" (flashback 7 "32 Days Ago") • "One of Them" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "Every Man for Himself" • "The Cost of Living" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • King of the Castle • "Meet Kevin Johnson" (flashback) • "The Man from Tallahassee" • "The Brig" (flashback 1 "8 Days Ago") • "One of Us" (flashback 7) • "The Brig" (flashback 2 "3 Days Ago") • "The Brig" (flashback 3 "3 Days Ago") • "The Brig" (flashback 5 "Yesterday") • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" (flashback 3 "6 Hours Ago") • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Shape of Things to Come" (flashforward 1) • "The Shape of Things to Come" (flashforward 2) • "The Shape of Things to Come" (flashforward 3) • "The Shape of Things to Come" (flashforward 4) • "The Economist" (flashforward 2) • "The Economist" (flashforward 5) • "The Shape of Things to Come" (flashforward 5) • "The Life and Death of Jeremy Bentham" (flashback) • "The Variable" (flashforward 4) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "316" (flashback "46 Hours Ago") • "Dead is Dead" (flashback 5) • "Dead is Dead" (flashback 6) • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "Namaste" • "The Life and Death of Jeremy Bentham" • "Whatever Happened Happened" • "Dead is Dead" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "Sundown" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "What They Died For" • "The End" • "The End" • "The New Man in Charge" • "The Substitute" (flashsideways 6) • "Dr. Linus" (flashsideways 1) • "Dr. Linus" (flashsideways 2) • "Dr. Linus" (flashsideways 3) • "Dr. Linus" (flashsideways 4) • "Dr. Linus" (flashsideways 5) • "Dr. Linus" (flashsideways 6) • "Everybody Loves Hugo" (flashsideways 6) • "The Last Recruit" (flashsideways 1) • "What They Died For" (flashsideways 2) • "What They Died For" (flashsideways 3) • "What They Died For" (flashsideways 4) • "The End" (flashsideways 1) • "The End" (flashsideways 4) • "The End" (flashsideways 5)

"Par Avion" (flashback 1) • "Par Avion" (flashback 2) • "Par Avion" (flashback 3) • "Par Avion" (flashback 4) • "Par Avion" (flashback 5) • "Raised By Another"(flashback 1) • "Raised By Another"(flashback 2) • "Raised By Another"(flashback 3) • "Raised By Another"(flashback 4) • "Raised By Another"(flashback 5) • "Raised By Another"(flashback 6) • "Raised By Another"(flashback 7) • "Par Avion" (flashback 6) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Greatest Hits" (flashback 6) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• Jack, Meet Ethan. Ethan"?" Jack • "White Rabbit"• "Confidence Man"• "Raised By Another"- "One of Us" (flashback 4) • "Maternity Leave" (flashback 3) - "Maternity Leave" (flashback 2) • "Maternity Leave" (flashback 4) - "Maternity Leave" (flashback 2) • "Maternity Leave" (flashback 5) - "Maternity Leave" (flashback 2) • "Maternity Leave" (flashback 6) - "Exodus, Part 2" (flashback 2) - "Maternity Leave" (flashback 1) • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Do No Harm"• "The Little Prince" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Everybody Hates Hugo" • "...And Found" • "Abandoned" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "Maternity Leave" • "Lockdown" • "S.O.S." • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Further Instructions" • "Every Man for Himself" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Par Avion" • "Exposé" • "Left Behind" • "One of Us" • "D.O.C." • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "The Variable" (flash forward 3) • "What Kate Does" • "Lighthouse" • "Sundown" • "Recon" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "The End" • "The End" • "Happily Ever After" (flash sideways 1) • "LA X, Part 2" (flash sideways 4) • "LA X, Part 2" (flash sideways 4) - "What Kate Does" (flash sideways 1) • "What Kate Does" (flash sideways 1) • "What Kate Does" (flash sideways 3) • "What Kate Does" (flash sideways 4) • "What Kate Does" (flash sideways 5) • "What Kate Does" (flash sideways 6) • "The Last Recruit" (flash sideways 3) • "The Last Recruit" (flash sideways 5) • "The Candidate" (flash sideways 4) • "What They Died For" (flash sideways 1) • "The End" (flash sideways 7) • "The End" (flash sideways 8) • "The End" (flash sideways 6)

"Cabin Fever" (flashback 1) • "Cabin Fever" (flashback 2) • "Cabin Fever" (flashback 3) • "Cabin Fever" (flashback 4) • "Deus Ex Machina" (flashback 1) • "Deus Ex Machina" (flashback 2) • "Deus Ex Machina" (flashback 3) • "Deus Ex Machina" (flashback 4) • "Deus Ex Machina" (flashback 5) • "Deus Ex Machina" (flashback 6) • "Deus Ex Machina" (flashback 7) • "Orientation" (flashback 1) • "Orientation" (flashback 2) • "Orientation" (flashback 3) • "Orientation" (flashback 4) • "Lockdown" (flashback 1) • "Lockdown" (flashback 2) • "Lockdown" (flashback 3) • "Lockdown" (flashback 4) • "Lockdown" (flashback 5) • "Further Instructions" (flashback 1) • "Further Instructions" (flashback 2) • "Further Instructions" (flashback 3) • "Further Instructions" (flashback 4) • "Further Instructions" (flashback 5) • "The Man from Tallahassee" (flashback 1) • "The Man from Tallahassee" (flashback 2) • "The Man from Tallahassee" (flashback 3) • "The Man from Tallahassee" (flashback 4) • "The Man from Tallahassee" (flashback 5) • "The Incident, Part 1" (flashback 6) • "The Man from Tallahassee" (flashback 6) • "Cabin Fever" (flashback 5) • "Walkabout"(flashback 2) • "Walkabout"(flashback 3) • "Walkabout"(flashback 4) • "Walkabout"(flashback 5) • "Exodus, Part 2" (flashback 4) • "S.O.S." (flashback 5) • "Exodus, Part 3" (flashback 2) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1" (flashback 1) • "Walkabout"(flashback 1) • "Pilot, Part 1"- "Walkabout"(flashback 6) • "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "House of the Rising Sun"- "The Candidate" (2004) • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Deus Ex Machina" - "Live Together, Die Alone, Part 2" (flashback 4) • "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Man of Science, Man of Faith" • "Orientation" • "Everybody Hates Hugo" • "...And Found" • "Abandoned" • "Collision" • "What Kate Did" • "Exposé" • "What Kate Did" • "Exposé" (flashback 7 "32 Days Ago") • "The 23rd Psalm" • "Three Minutes" (flashback 1 "13 day ago") • "The Hunting Party" - "Three Minutes" (flashback 1 "13 day ago") • "The Hunting Party" • "The Hunting Party" - "Three Minutes" (flashback 3 "13 day ago") • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • Live Together, Die Alone • Live Together, Die Alone - "Flashes Before Your Eyes" (flashback 1) • Live Together, Die Alone • "Further Instructions" • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "I Do" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Enter 77" • "Par Avion" • "The Man from Tallahassee" • "The Brig" (flashback 1 "8 Days Ago") • "Left Behind" • "The Brig" (flashback 2 "3 Days Ago") • "The Brig" (flashback 3 "3 Days Ago") • "The Brig" (flashback 4 "2 Days Ago") • "The Brig" (flashback 5 "Yesterday") • "The Brig" • "The Man Behind the Curtain" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "This Place is Death" - "The Life and Death of Jeremy Bentham" (flashback) - "LaFleur" (flashback 1 "3 Years Ago") • "The Life and Death of Jeremy Bentham" (flashback) • "The Variable" (flash forward 4) • "Because You Left" • "316" (flashback "46 Hours Ago") • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "LA X, Part 1" (flash sideways 3) • "LA X, Part 1" (flash sideways 5) • "LA X, Part 2" (flash sideways 5) • "The Substitute" (flash sideways 1) • "The Substitute" (flash sideways 2) • "The Substitute" (flash sideways 3) • "The Substitute" (flash sideways 4) • "The Substitute" (flash sideways 5) • "The Substitute" (flash sideways 6) • "Dr. Linus" (flash sideways 1) • "Everybody Loves Hugo" (flash sideways 6) • "The Last Recruit" (flash sideways 1) • "The Last Recruit" (flash sideways 6) • "The Candidate" (flash sideways 1) • "The Candidate" (flash sideways 4) • "The Candidate" (flash sideways 5) • "What They Died For" (flash sideways 2) • "What They Died For" (flash sideways 3) • "What They Died For" (flash sideways 5) • "The End" (flash sideways 1) • "The End" (flash sideways 4) • "The End" (flash sideways 1) • "The End" (flash sideways 4) • "The End" (flash sideways 6)

"Special" (flashback 2) • "Adrift" (flashback 4) • "Special" (flashback 5) • "Special" (flashback 8) • "Exodus, Part 1"(flashback 1) • "Exodus, Part 2" (flashback 4) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "The Moth"• "Solitary"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Abandoned" • "Three Minutes" (flashback 5 "3 Days Ago") • "Live Together, Die Alone, Part 2" • "Through the Looking Glass, Part 1" • "Meet Kevin Johnson" (flashback) • "The Life and Death of Jeremy Bentham" (flashback) • "There's No Place Like Home, Part 2" (flash forward 2) • "The New Man in Charge"

"Across the Sea" • "Across the Sea" (13 years later) • "Across the Sea" (30 years later) • "The Incident, Part 1" (flashback 1) • "Ab Aeterno" (flashback 3) • "Ab Aeterno" (flashback 4) • "This Place is Death" • "So It Begins" • "Pilot, Part 1"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"- "The Candidate" (2004) • "Arzt & Crafts" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "The 23rd Psalm" • "A Tale of Two Cities" • "The Cost of Living" • "Exposé" • "Left Behind" • "The Beginning of the End" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "The Variable" • "This Place is Death" • "This Place is Death" - "The Life and Death of Jeremy Bentham" (flashback) • "Something Nice Back Home" (flash forward 3) • "Something Nice Back Home" (flash forward 5) • "Namaste" • "The Life and Death of Jeremy Bentham" • "Whatever Happened Happened" • "Dead is Dead" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "The Substitute" • "Lighthouse" • "Sundown" • "Dr. Linus" • "Recon" • "The Package" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "What They Died For" • "The End" • "The End"

"Fire + Water" (flashback 1) • "Greatest Hits" (flashback 2) • "Flashes Before Your Eyes" (Flash) • "Greatest Hits" (flashback 5) • "The Moth" (flashback 1) • "The Moth" (flashback 2) • "Greatest Hits" (flashback 1) • "The Moth" (flashback 3) • "Greatest Hits" (flashback 4) • "The Moth" (flashback 4) • "Fire + Water" (flashback 2) • "Fire + Water" (flashback 3) • "Fire + Water" (flashback 4) • "Fire + Water" (flashback 5) • "Homecoming" (flashback 1) • "Homecoming" (flashback 2) • "Homecoming" (flashback 3) • "Homecoming" (flashback 4) • "Homecoming" (flashback 5) • "Homecoming" (flashback 6) • "The Moth" (flashback 5) • "Exodus, Part 2" (flashback 3) • "Exodus, Part 3" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 2" (flashback 1) • "Pilot, Part 1" (flashback) - "Pilot, Part 2" (flashback 1) • "Pilot, Part 2" (flashback 1) • "Pilot, Part 1" - "Walkabout" (flashback 1) • "Pilot, Part 1" • "Greatest Hits" (flashback 6) • "Pilot, Part 1" • "Pilot, Part 2" • "Tabula Rasa" • "Walkabout" • "White Rabbit" • "House of the Rising Sun" • "The Moth" • "Confidence Man" • "Solitary" • "Raised by Another" - "One of Us" (flashback 4) • "All the Best Cowboys Have Daddy Issues" • "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Do No Harm" • "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Everybody Hates Hugo" • "Abandoned" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Further Instructions" • "Every Man for Himself" • "The Cost of Living" • "Flashes Before Your Eyes" • "Tricia Tanaka Is Dead" • "Enter 77" • "Par Avion" • "Exposé" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" (flashforward 2) • "The Beginning of the End" (flashforward 4) • "LA X, Part 1" (flashsideways 4) • "LA X, Part 1" (flashsideways 5) • "Happily Ever After" (flashsideways 1) • "The End" (flashsideways 2) • "The End" (flashsideways 7) • "The End" (flashsideways 8) • "The End" (flashsideways 6)

"Exposé" (flashback 2 "84 Days Ago") • "Exposé" (flashback 3 "80 Days Ago") • "Exposé" (flashback 4 "75 Days Ago") • "Exposé" (flashback 5 "57 Days Ago") • "Exposé" (flashback 6 "48 Days Ago") • "Exposé" (flashback 7 "32 Days Ago") • "Further Instructions" • "Every Man for Himself" • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" - "Exposé" (flashback 8 "9 Days Ago") • "The Cost of Living" • "I Do" • "Tricia Tanaka is Dead" • "Enter 77" • "Exposé" (flashback 9 "12 Hours Ago") • "Exposé" (flashback 10 "8 Hours Ago") • "Exposé"

"Tricia Tanaka is Dead" (flashback 1) • "Dave" (flashback 1) • "Dave" (flashback 2) - "Dave" (flashback 5) • "Dave" (flashback 3) • "Dave" (flashback 4) • "Numbers" (flashback 1) - "Everybody Hates Hugo" (flashback 1) • "Everybody Hates Hugo" (flashback 2) • "Everybody Hates Hugo" (flashback 3) • "Everybody Hates Hugo" (flashback 4) • "Everybody Hates Hugo" (flashback 5) • "Numbers" (flashback 2) • "Numbers" (flashback 3) - "...In Translation" (flashback 3) • "Numbers" (flashback 4) • "Numbers" (flashback 5) • "Numbers" (flashback 6) • "Tricia Tanaka is Dead" (flashback 2) • "Tricia Tanaka is Dead" (flashback 3) • "Tricia Tanaka is Dead" (flashback 4) • "Tricia Tanaka is Dead" (flashback 5) • "Tricia Tanaka is Dead" (flashback 6) • "Numbers" (flashback 7) • "Exodus, Part 3" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "Arzt & Crafts" • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"- "One of Us" (flashback 4) • "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Jin Has a Temper-Tantrum On the Golf Course" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Orientation" • "Everybody Hates Hugo" • "...And Found" • "Abandoned" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "One of Them" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • Hurley and Frogurt • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Further Instructions" • "Every Man for Himself" • "The Cost of Living" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Enter 77" • "Exposé" - "Exposé" (flashback 10 "8 Hours Ago") • "Exposé" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Lie" (flashback "3 Years Ago") • "The Variable" • "There's No Place Like Home, Part 1" (flash forward 1) • "There's No Place Like Home, Part 1" (flash forward 2) • "There's No Place Like Home, Part 1" (flash forward 4) • "There's No Place Like Home, Part 1" (flash forward 5) • "Ji Yeon" (flash forward 4) • "The Beginning of the End" (flash forward 1) • "The Beginning of the End" (flash forward 2) • "The Beginning of the End" (flash forward 3) • "The Beginning of the End" (flash forward 4) • "The Beginning of the End" (flash forward 5) • "Something Nice Back Home" (flash forward 3) • "The Life and Death of Jeremy Bentham" (flashback) • "There's No Place Like Home, Part 2" (flash forward 2) • "The Variable" (flash forward 1) • "Because You Left" • "The Lie" • "The Little Prince" • "The Incident, Part 2" (flashback 3) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "316" • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "What They Died For" • "The End" • "The End" • "The New Man in Charge" • "LA X, Part 1" (flash sideways 2) • "LA X, Part 1" (flash sideways 5) • "Happily Ever After" (flash sideways 1) • "LA X, Part 2" (flash sideways 4) • "The Substitute" (flash sideways 3) • "Everybody Loves Hugo" (flash sideways 1) • "Everybody Loves Hugo" (flash sideways 2) • "Everybody Loves Hugo" (flash sideways 3) • "Everybody Loves Hugo" (flash sideways 4) • "Everybody Loves Hugo" (flash sideways 5) • "What They Died For" (flash sideways 6) • "The End" (flash sideways 2) • "The End" (flash sideways 3) • "The End" (flash sideways 6) • "The End" (flash sideways 5) • "The End" (flash sideways 6)

"Abandoned" (flashback 1) • "Abandoned" (flashback 2) • "Abandoned" (flashback 3) • "Abandoned" (flashback 4) • "Hearts and Minds" (flashback 1) • "Hearts and Minds" (flashback 2) • "Hearts and Minds" (flashback 4) • "Hearts and Minds" (flashback 5) • "Exposé" (flashback 3 "80 Days Ago") • "Exodus, Part 1"(flashback 5) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"- "Walkabout"(flashback 1) - "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"• "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "...In Translation" • "Exposé" (flashback 6 "48 Days Ago") • "...In Translation" • "Numbers" • "Do No Harm"• "The Greater Good" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Everybody Hates Hugo" • "Abandoned" • "The Other 48 Days" • "Abandoned" • "Collision" • "The End" (flash sideways 6) • "The End" (flash sideways 6)

"White Rabbit"(flashback 1) • "White Rabbit"(flashback 2) • "The Incident, Part 2" (flashback 1) • "Man of Science, Man of Faith" (flashback 1) • "Abandoned" (flashback 1) • "Man of Science, Man of Faith" (flashback 2) • "Man of Science, Man of Faith" (flashback 3) • "Live Together, Die Alone, Part 1" (flashback 3) • "Man of Science, Man of Faith" (flashback 4) • "Man of Science, Man of Faith" (flashback 5) • "Do No Harm"(flashback 1) • "Do No Harm"(flashback 2) • "Do No Harm"(flashback 3) • "Do No Harm"(flashback 4) • "The Watch" • "Do No Harm"(flashback 5) • "The Hunting Party" (flashback 1) • "The Hunting Party" (flashback 2) • "The Hunting Party" (flashback 3) • "The Hunting Party" (flashback 4) • "The Hunting Party" (flashback 5) • "A Tale of Two Cities" (flashback 2) • "A Tale of Two Cities" (flashback 3) • "A Tale of Two Cities" (flashback 4) • "A Tale of Two Cities" (flashback 5) • "A Tale of Two Cities" (flashback 6) • "Stranger in a Strange Land" (flashback 1) • "Stranger in a Strange Land" (flashback 2) • "Stranger in a Strange Land" (flashback 3) • "Stranger in a Strange Land" (flashback 4) • "Stranger in a Strange Land" (flashback 5) • "All the Best Cowboys Have Daddy Issues"(flashback 1) • "All the Best Cowboys Have Daddy Issues"(flashback 2) • "All the Best Cowboys Have Daddy Issues"(flashback 3) • "All the Best Cowboys Have Daddy Issues"(flashback 4) • "All the Best Cowboys Have Daddy Issues"(flashback 5) • "White Rabbit"(flashback 3) • "White Rabbit"(flashback 4) • "White Rabbit"(flashback 5) • "White Rabbit"(flashback 6) - "House of the Rising Sun"(flashback 6) - "Two For the Road" (flashback 5) • "White Rabbit"(flashback 6) • "Exodus, Part 1"(flashback 2) • "Exodus, Part 3" (flashback 3) • "Pilot, Part 1"(flashback) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"(flashback) • "So It Begins" • "Pilot, Part 1"• "Pilot, Part 1"- "Walkabout"(flashback 6) • "Pilot, Part 1"• "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Walkabout"• Jack, Meet Ethan. Ethan"?" Jack • "White Rabbit"• "White Rabbit"- "Exposé" (flashback 4 "75 Days Ago") • "House of the Rising Sun"• "House of the Rising Sun"- "The Candidate" (2004) • "House of the Rising Sun"• "The Moth"• "Confidence Man"• "Solitary"• "Raised By Another"- "One of Us" (flashback 4) • "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Numbers" • "Deus Ex Machina" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Man of Science, Man of Faith" • "Adrift" • "Man of Science, Man of Faith" • "Orientation" • "Everybody Hates Hugo" • "...And Found" • "Collision" • "What Kate Did" • "Exposé" (flashback 7 "32 Days Ago") • "The 23rd Psalm" • "The Hunting Party" - "Three Minutes" (flashback 1 "13 day ago") • "The Hunting Party" • "The Hunting Party" - "Three Minutes" (flashback 3 "13 day ago") • "Fire + Water" • "The Long Con" • "One of Them" • "Maternity Leave" • "The Whole Truth" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "Every Man for Himself" • "The Cost of Living" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • King of the Castle • "Par Avion" • "The Man from Tallahassee" • "Left Behind" • "One of Us" • "Catch-22" • "D.O.C." • "Operation: Sleeper" • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Constant" • "The Other Woman" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Little Prince" (flashback "3 Years Ago") • "The Lie" (flashback "3 Years Ago") • "The Variable" • "There's No Place Like Home, Part 1" (flash forward 1) • "There's No Place Like Home, Part 1" (flash forward 2) • "There's No Place Like Home, Part 1" (flash forward 5) • "The Beginning of the End" (flash forward 1) • "The Beginning of the End" (flash forward 5) • "Eggtown" (flash forward 3) • "Eggtown" (flash forward 5) • "Something Nice Back Home" (flash forward 1) • "Something Nice Back Home" (flash forward 2) • "Something Nice Back Home" (flash forward 3) • "Something Nice Back Home" (flash forward 4) • "Something Nice Back Home" (flash forward 5) • "Something Nice Back Home" (flash forward 6) • "The Life and Death of Jeremy Bentham" (flashback) • "Through the Looking Glass, Part 1" (flash forward 1) • "Through the Looking Glass, Part 1" (flash forward 2) • "Through the Looking Glass, Part 1" (flash forward 3) • "Through the Looking Glass, Part 2" (flash forward 1) • "Through the Looking Glass, Part 2" (flash forward 2) • "Through the Looking Glass, Part 2" (flash forward 3) • "Through the Looking Glass, Part 2" (flash forward 4) • "There's No Place Like Home, Part 2" (flash forward 1) • "The Variable" (flash forward 4) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "Namaste" • "316" (flashback "46 Hours Ago") • "316" • "LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" • "The Candidate" • "What They Died For" • "The End" • "The End" • "LA X, Part 1" (flash sideways 1) • "LA X, Part 1" (flash sideways 2) • "LA X, Part 1" (flash sideways 4) • "LA X, Part 1" (flash sideways 5) • "LA X, Part 2" (flash sideways 2) • "LA X, Part 2" (flash sideways 5) • "What Kate Does" (flash sideways 1) • "Happily Ever After" (flash sideways 1) • "Sundown" (flash sideways 3) • "Lighthouse" (flash sideways 1) • "Lighthouse" (flash sideways 2) • "Lighthouse" (flash sideways 3) • "Lighthouse" (flash sideways 4) • "Lighthouse" (flash sideways 5) • "Lighthouse" (flash sideways 6) • "The Last Recruit" (flash sideways 5) • "The Last Recruit" (flash sideways 6) • "The Candidate" (flash sideways 1) • "The Candidate" (flash sideways 2) • "The Candidate" (flash sideways 3) • "The Candidate" (flash sideways 4) • "The Candidate" (flash sideways 5) • "What They Died For" (flash sideways 1) • "What They Died For" (flash sideways 5) • "The End" (flash sideways 1) • "The End" (flash sideways 4) • "The End" (flash sideways 5) • "The End" (flash sideways 1) • "The End" (flash sideways 3) • "The End" (flash sideways 5) • "The End" (flash sideways 6)

"Live Together, Die Alone, Part 1" (flashback 2) • "Dave" (flashback 5) • "?" (flashback 4) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 3") • "The Other 48 Days"(flashback "Day 7") • "The Other 48 Days"(flashback "Day 12") • "The Other 48 Days"(flashback "Day 17") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other 48 Days"(flashback "Day 41") • "The Other 48 Days"(flashback "Day 45") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Orientation" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "The 23rd Psalm" • "Fire + Water" • "The Long Con" • "Maternity Leave" • "Lockdown" • "Dave" • "S.O.S." • "Two For the Road" • "?" • "Three Minutes" • "Meet Kevin Johnson" (flashback) • "Everybody Loves Hugo" (flash sideways 2) • "Everybody Loves Hugo" (flash sideways 4) • "Everybody Loves Hugo" (flash sideways 5) • "The End" (flash sideways 6)

"Because You Left" (flash forward) • "Some Like It Hoth" (flashback 1) • "Some Like It Hoth" (flashback 2) • "Confirmed Dead" (flashback 2) • "Some Like It Hoth" (flashback 3) • "Some Like It Hoth" (flashback 4) • "Some Like It Hoth" (flashback 5) • "Some Like It Hoth" (flashback 6) • "Meet Kevin Johnson" (flashback) • "Confirmed Dead" • "The Economist" • "Eggtown" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "Because You Left" • "The Lie" • "Jughead" • "The Little Prince" • "This Place is Death" • "This Place is Death" - "LaFleur" (flashback 1 "3 Years Ago") • "LaFleur" (flashback 1) • "LaFleur" (flashback 2) • "LaFleur" (flashback 3) • "LaFleur" • "Namaste" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Sundown" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "What They Died For" • "The End" • "The End" • "Recon" (flash sideways 1) • "Recon" (flash sideways 2) • "Recon" (flash sideways 3) • "Recon" (flash sideways 4) • "Recon" (flash sideways 6) • "The Last Recruit" (flash sideways 2) • "The Last Recruit" (flash sideways 4) • "What They Died For" (flash sideways 3) • "The End" (flash sideways 3) • "The End" (flash sideways 7)

"The Incident, Part 1" (flashback 5) • "Ab Aeterno" (flashback 1) • "The Incident, Part 1" (flashback 5) - "Ab Aeterno" (flashback 1) • "Ab Aeterno" (flashback 1) • "Ab Aeterno" (flashback 2) • "He's Our You" (flashback 5) • "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 6) • "He's Our You" (flashback 6) • "316" (flashback "46 Hours Ago") • "Namaste" • "The Life and Death of Jeremy Bentham" • "Dead is Dead" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1" • "LA X, Part 2" • "Sundown" • "Dr. Linus" • "Ab Aeterno" • "The Package" • "Everybody Loves Hugo" • "The Last Recruit" (flash sideways 3) • "The Last Recruit" (flash sideways 5)

"Exodus, Part 3" (flashback 1) • "Exodus, Part 3" (flashback 3) • "Exposé" (flashback 3 "80 Days Ago") • "Arzt & Crafts" • "Exposé" (flashback 4 "75 Days Ago") • "Exposé" (flashback 5 "57 Days Ago") • "Exposé" (flashback 6 "48 Days Ago") • "Born to Run" • Tropical Depression • "Exodus, Part 1" • "Exodus, Part 2" • "LA X, Part 1" (flash sideways 2) • "LA X, Part 2" (flash sideways 4) • "What Kate Does" (flash sideways 1) • "Dr. Linus" (flash sideways 1) • "Dr. Linus" (flash sideways 4) • "Dr. Linus" (flash sideways 6)

"One of Us" (flashback 6) • "The Cost of Living" • "Enter 77" • "Par Avion" • "D.O.C." • "The Man Behind the Curtain" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Package" (flash sideways 4) • "The Package" (flash sideways 5) • "The Package" (flash sideways 6)

"Some Like It Hoth" (flashback 5) • "Namaste" • "Dead is Dead" • "The Incident, Part 1" • "The Incident, Part 2" • "LA X, Part 1"

"Deus Ex Machina" (flashback 3) • "Deus Ex Machina" (flashback 4) • "Deus Ex Machina" (flashback 5) • "Deus Ex Machina" (flashback 6) • "Deus Ex Machina" (flashback 7) • "Orientation" (flashback 2) • "Lockdown" (flashback 3) • "Lockdown" (flashback 5) • "The Man from Tallahassee" (flashback 3) • "The Man from Tallahassee" (flashback 5) • "The Man from Tallahassee" • "The Brig" (flashback 1 "8 Days Ago") • "The Brig" (flashback 2 "3 Days Ago") • "The Brig" (flashback 3 "3 Days Ago") • "The Brig" • "The Candidate" (flash sideways 3)

"Pilot, Part 1"(flashback) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"- "Pilot, Part 2"(flashback 1) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"- "Pilot, Part 2"(flashback 1) - "Pilot, Part 2"(flashback 2) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 2") • "The Other 48 Days"(flashback "Day 19") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 24") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other 48 Days"(flashback "Day 41") • "The Other 48 Days"(flashback "Day 45") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Stranger in a Strange Land" • "The Brig" (flashback 2 "3 Days Ago") • "LA X, Part 2" • "Sundown" • "Recon" • "The Last Recruit" • "LA X, Part 1" (flash sideways 1) • "LA X, Part 1" (flash sideways 4) • "LA X, Part 1" (flash sideways 5)

"The New Man in Charge" • "Namaste" • "Some Like It Hoth" • "The Variable" • "Because You Left" (flash forward) • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "The Man Behind the Curtain" (flashback 2) • "Live Together, Die Alone, Part 1" (flashback 5) - "Orientation" - "What Kate Did" • "?" - "The Cost of Living" • "Enter 77" • "The Variable" • "Everybody Loves Hugo" (flash sideways 1) • "The End" (flash sideways 7)

"Confirmed Dead" (flashback 5) • "Some Like It Hoth" (flashback 3) • "Some Like It Hoth" (flashback 4) • "Meet Kevin Johnson" (flashback) • "Catch-22" • "D.O.C." • "The Brig" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist"

"The Other 48 Days"(flashback "Day 1") • "The Other 48 Days" (flashback "Day 2") • "The Other 48 Days" (flashback "Day 5") • "The Other 48 Days"(flashback "Day 11") • "The Other 48 Days"(flashback "Day 12") • "Stranger in a Strange Land" • "The Brig" (flashback 2 "3 Days Ago") • "LA X, Part 2" • "Sundown" • "Recon" • "The Last Recruit"

"The Other Woman" (flashback 1) • "Maternity Leave" (flashback 3) • "Exodus, Part 3" • "Three Minutes" (flashback 2 "13 Days ago") • "The Hunting Party" - "Three Minutes" (flashback 3 "13 Days ago") • "Three Minutes" (flashback 4 "11 Days ago") • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "Every Man for Himself" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • "Meet Kevin Johnson" (flashback) • "Par Avion" • "The Man from Tallahassee" • "The Brig" (flashback 1 "8 Days Ago") • "The Brig" (flashback 2 "3 Days Ago") • "The Man Behind the Curtain" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End"

"The Man Behind the Curtain" (flashback 1) • "The Man Behind the Curtain" (flashback 2) • "The Man Behind the Curtain" (flashback 3) • "LaFleur" (flashback 3) • "LaFleur" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "Follow the Leader" • "The Man Behind the Curtain" (flashback 6) • "Cabin Fever"

"Jughead" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2" • "The Variable" (flashback 1) • "The Variable" (flashback 2) • "Flashes Before Your Eyes" (Flash) • "The Variable" (flashback 4) • "The Lie" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "The Variable" • "Happily Ever After" (flash sideways 1) • "The End" (flash sideways 7)

"Across the Sea" • "Across the Sea" (13 years later) • "Across the Sea" (30 years later) • "The Incident, Part 1" (flashback 1) • "Ab Aeterno" (flashback 3) • "Ab Aeterno" (flashback 4) • "The Incident, Part 1" (flashback 3) • "The Incident, Part 1" (flashback 2) • "The Incident, Part 2" (flashback 1) • "The Incident, Part 1" (flashback 6) • "The Incident, Part 1" (flashback 7) • "The Man Behind the Curtain" • "The Beginning of the End" • "The Incident, Part 1" (flashback 4) • "The Incident, Part 1" (flashback 5) • "Ab Aeterno" (flashback 1) • "The Incident, Part 1" (flashback 5) - "Ab Aeterno" (flashback 1) • "Ab Aeterno" (flashback 1) • "Ab Aeterno" (flashback 2) • "The Incident, Part 2" (flashback 3) • "The Incident, Part 2" • "LA X, Part 1" • "The Substitute" • "Lighthouse" • "Everybody Loves Hugo" • "What They Died For"

"What Kate Did" (flashback 2) • "The Long Con" (flashback 4) • "Left Behind" (flashback 3) • "Left Behind" (flashback 4) • "Born to Run" (flashback 5) • "Eggtown" (flash forward 4)

"Every Man for Himself" • "The Cost of Living" • "I Do" • "Not in Portland" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2"

"Solitary"(flashback 1) • "Solitary"(flashback 2) • "Solitary"(flashback 3) • "Solitary"(flashback 4) • "Solitary"(flashback 5) • "Greatest Hits" (flashback 5) • "Lockdown" (flashback 3) • "There's No Place Like Home, Part 1" (flash forward 2) • "There's No Place Like Home, Part 1" (flash forward 4) • "There's No Place Like Home, Part 1" (flash forward 5) • "The Incident, Part 1" (flashback 4) • "Sundown" (flash sideways 1) • "Sundown" (flash sideways 3) • "Sundown" (flash sideways 4) • "The Last Recruit" (flash sideways 4)

"Meet Kevin Johnson" (flashback) • "The Constant" • "Ji Yeon" • "The Shape of Things to Come" • "The Shape of Things to Come" - "Dead is Dead" • "The Shape of Things to Come" • "Something Nice Back Home" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Package" (flash sideways 3) • "The Package" (flash sideways 4) • "The Package" (flash sideways 5) • "Sundown" (flash sideways 5) • "The Package" (flash sideways 6)

"The Man Behind the Curtain" (flashback 1) • "The Man Behind the Curtain" (flashback 2) • "The Man Behind the Curtain" (flashback 3) • "The Man Behind the Curtain" (flashback 4) • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Incident, Part 1" • "The Man Behind the Curtain" (flashback 6) • "Tricia Tanaka is Dead" • "Dr. Linus" (flash sideways 2)

"Do No Harm"• "The Little Prince" • "Do No Harm"• "The Greater Good" • "Born to Run" • "Exodus, Part 1" • "Exodus, Part 2" • "Exodus, Part 3" • "Adrift" • "Everybody Hates Hugo" • "Abandoned" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Hunting Party" • "Fire + Water" • "The Long Con" • "Maternity Leave" • "Lockdown" • "S.O.S." • "Three Minutes" • "Live Together, Die Alone, Part 1" • "Live Together, Die Alone, Part 2" • "Every Man for Himself" • "Flashes Before Your Eyes" • "Tricia Tanaka is Dead" • "Par Avion" • "Exposé" • "Left Behind" • "One of Us" • "D.O.C." • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Eggtown" • "The Other Woman" • "Meet Kevin Johnson" • "The Shape of Things to Come" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Variable" • "The Little Prince" (flashback "3 Years Ago") • "The Lie" (flashback "3 Years Ago") • "The Variable" • "There's No Place Like Home, Part 1" (flash forward 1) • "There's No Place Like Home, Part 1" (flash forward 2) • "Whatever Happened Happened" (flashback 1) • "There's No Place Like Home, Part 1" (flash forward 4) • "There's No Place Like Home, Part 1" (flash forward 5) • "Eggtown" (flash forward 5) • "Something Nice Back Home" (flash forward 2) • "Something Nice Back Home" (flash forward 6) • "The Variable" (flash forward 3) • "Because You Left" • "The Lie" • "The Little Prince" • "This Place is Death" • "316" (flashback "46 Hours Ago") • "316" (flashback "46 Hours Ago") - "He's Our You" (flashback 4) - "Whatever Happened Happened" (flashback 2) • "Whatever Happened Happened" (flashback 2) • "Whatever Happened Happened" (flashback 3) • "Whatever Happened Happened" (flashback 4) • "The End" (flash sideways 8) • "The End" (flash sideways 6)

"What Kate Did" (flashback 3) • "What Kate Did" (flashback 4) • "Left Behind" (flashback 3) • "I Do" (flashback 4) • "Tabula Rasa"(flashback 3) • "Tabula Rasa"(flashback 4) • "Exodus, Part 1"(flashback 4) • "Exodus, Part 2" (flashback 7) • "Pilot, Part 2"(flashback 2) • "Pilot, Part 1"• "Pilot, Part 2"• "Tabula Rasa"• "Whatever the Case May Be" • "LA X, Part 1" (flash sideways 2) • "LA X, Part 1" (flash sideways 5) • "LA X, Part 2" (flash sideways 2) • "LA X, Part 2" (flash sideways 1) • "LA X, Part 2" (flash sideways 4) • "LA X, Part 2" (flash sideways 4) - "What Kate Does" (flash sideways 1) • "What Kate Does" (flash sideways 1)

"A Tale of Two Cities" • "Not in Portland" • "Stranger in a Strange Land" • "Greatest Hits" (flashback 3 "6 Hours Ago") • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Economist" • "Meet Kevin Johnson" • "Something Nice Back Home"

"Meet Kevin Johnson" (flashback) • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Constant" • "Happily Ever After" (flash sideways 1) • "Happily Ever After" (flash sideways 2)

"S.O.S." (flashback 1) • "S.O.S." (flashback 2) • "S.O.S." (flashback 3) • "S.O.S." (flashback 4) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 12") • "The Other 48 Days"(flashback "Day 15") • "The Other 48 Days"(flashback "Day 19") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 24") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other 48 Days"(flashback "Day 41") • "Deus Ex Machina" - "The Other 48 Days" (flashback "Day 41") • "The Other 48 Days"(flashback "Day 41") • "Adrift" - "The Other 48 Days" (flashback "Day 45") • "Everybody Hates Hugo" - "The Other 48 Days" (flashback "Day 46") • "...And Found" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" (flashback "Day 47") • "Abandoned" - "The Other 48 Days" - "Collision" • "Collision" • "What Kate Did" • "The Whole Truth" • "S.O.S." • "Live Together, Die Alone, Part 2" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Ji Yeon" • "The Shape of Things to Come" • "Something Nice Back Home" • "Because You Left" • "The Lie" • "The Incident, Part 1" • "The End" • "LA X, Part 1" (flash sideways 1) • "LA X, Part 1" (flash sideways 3) • "LA X, Part 1" (flash sideways 5) • "The Candidate" (flash sideways 2) • "The End" (flash sideways 6)

"S.O.S." (flashback 1) • "S.O.S." (flashback 2) • "S.O.S." (flashback 3) • "S.O.S." (flashback 4) • "S.O.S." (flashback 5) • "Pilot, Part 1"(flashback) • "Pilot, Part 1"(flashback) - "Pilot, Part 2"(flashback 1) • "Pilot, Part 1"(flashback) • "Pilot, Part 1"- "Exposé" (flashback 3 "80 Days Ago") • "Pilot, Part 1"• "Pilot, Part 2"• "Walkabout"• "Whatever the Case May Be" • "Everybody Hates Hugo" • "Abandoned" • "Collision" • "What Kate Did" • "The 23rd Psalm" • "The Whole Truth" • "S.O.S." • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Something Nice Back Home" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "Because You Left" • "The Lie" • "The Incident, Part 1" • "The End" • "LA X, Part 1" (flash sideways 1) • "LA X, Part 1" (flash sideways 3) • "LA X, Part 1" (flash sideways 5) • "The Substitute" (flash sideways 4) • "The End" (flash sideways 6)

"Everybody Hates Hugo" (flashback 2) • "Everybody Hates Hugo" (flashback 4) • "Tricia Tanaka is Dead" (flashback 2) • "Walkabout"(flashback 2) • "Walkabout"(flashback 3) • "The Beginning of the End" (flash forward 1) • "The Substitute" (flash sideways 2)

Hurley and Frogurt • "Because You Left" • "The Lie" • "LA X, Part 1" (flash sideways 3) • "LA X, Part 1" (flash sideways 5) • "LA X, Part 2" (flash sideways 4)

"Meet Kevin Johnson" (flashback) • "The Constant" • "Cabin Fever" • "There's No Place Like Home, Part 1" • "There's No Place Like Home, Part 2" • "The Package" (flash sideways 4) • "The Package" (flash sideways 5) • "Sundown" (flash sideways 5)

"LaFleur" • "Namaste" • "He's Our You" • "Whatever Happened Happened" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2"

"Three Minutes" (flashback 2 "13 days ago") • "Three Minutes" (flashback 3 "13 days ago") • "The Hunting Party" - "Three Minutes" (flashback 3 "13 days ago") • "Three Minutes" (flashback 4 "11 days ago") • "Three Minutes" (flashback 5 "3 days ago") • "Live Together, Die Alone, Part 2" • "The Glass Ballerina" • "Every Man for Himself" • "The Cost of Living" • "I Do" • "Not in Portland"

"Namaste" • "He's Our You" • "Some Like It Hoth" • "The Variable" • "Follow the Leader" • "The Incident, Part 1" • "The Incident, Part 2"

"Tricia Tanaka is Dead" (flashback 1) • "Numbers" (flashback 1) - "Everybody Hates Hugo" (flashback 1) • "Numbers" (flashback 2) • "Numbers" (flashback 3) • "Tricia Tanaka is Dead" (flashback 4) • "There's No Place Like Home, Part 1" (flash forward 1) • "There's No Place Like Home, Part 1" (flash forward 2) • "There's No Place Like Home, Part 1" (flash forward 4) • "The Lie" • "Everybody Loves Hugo" (flash sideways 1)

"Namaste" • "He's Our You" • "Dead is Dead" (flashback 2) • "Dead is Dead" (flashback 3) • "Because You Left" • "Not in Portland" (flashback 1) • "Not in Portland" (flashback 7) • "One of Us" (flashback 1) • "One of Us" (flashback 2) • "One of Us" (flashback 3) • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) • Jack, Meet Ethan. Ethan"?" Jack • "Exposé" (flashback 4 "75 Days Ago") • "Solitary"• "Raised By Another"- "One of Us" (flashback 4) • "All the Best Cowboys Have Daddy Issues"• "Maternity Leave" (flashback 2) - "Maternity Leave" (flashback 3) • "Maternity Leave" (flashback 3) • "Maternity Leave" (flashback 4) • "Maternity Leave" (flashback 6) • "Homecoming" • "Outlaws" • "What Kate Does" (flash sideways 5)

"The Other Woman" (flashback 2) • "One of Us" (flashback 3) • "The Other Woman" (flashback 3) • "The Other Woman" (flashback 4) • "One of Us" (flashback 5) • "A Tale of Two Cities" (flashback 1) - "One of Us" (flashback 6) - "The Other Woman" (flashback 4) • "The Other 48 Days"(flashback "Day 1") • "The Other 48 Days"(flashback "Day 2") • "The Other 48 Days"(flashback "Day 3") • "The Other 48 Days"(flashback "Day 12") • "The Other 48 Days"(flashback "Day 19") • "The Other 48 Days"(flashback "Day 23") • "The Other 48 Days"(flashback "Day 24") • "The Other 48 Days"(flashback "Day 26") • "The Other 48 Days"(flashback "Day 27") • "The Other Woman" (flashback 6) • "...And Found"

"Special" (flashback 5) • "Special" (flashback 8) • "Exodus, Part 1"(flashback 1) • "So It Begins" • "Pilot, Part 1"• "Tabula Rasa"• "Walkabout"• "White Rabbit"• "House of the Rising Sun"• "The Moth"• "Buried Secrets" • "All the Best Cowboys Have Daddy Issues"• "Whatever the Case May Be" • "Hearts and Minds" • "Special" • "Homecoming" • "Outlaws" • "...In Translation" • "Do No Harm"• "Exodus, Part 1" • "Exodus, Part 2" • "Man of Science, Man of Faith" • "Orientation" • "Everybody Hates Hugo" • "...And Found" • "Abandoned" • "Collision" • "The Hunting Party" • "The Long Con" • "Maternity Leave" • "S.O.S." • "Three Minutes" • "Tricia Tanaka is Dead" • "Exposé" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2" • "The Beginning of the End" • "Confirmed Dead" • "The Other Woman" • "The Shape of Things to Come" • "There's No Place Like Home, Part 2" • "The Lie" • "The Incident, Part 1" • "The End" • "The End"

"The Lie" • "Jughead" • "Dead is Dead" (flashback 1) • "Follow the Leader" • "Dead is Dead" (flashback 3) • "Dead is Dead" (flashback 4) • "Flashes Before Your Eyes" (Flash) • "The Constant" (Travel 6) • "Live Together, Die Alone, Part 1" (flashback 1) • "The Other Woman" • "The Variable" (flashback 3) • "The Shape of Things to Come" (flash forward 5) • "The Life and Death of Jeremy Bentham" (flashback) • "The Variable" (flash forward 2) • "Because You Left" • "Jughead" • "Dead is Dead" (flashback 5) • "The Variable" • "Dr. Linus" • "Recon" • "The Package" • "Happily Ever After" • "The Candidate" • "What They Died For" • "Happily Ever After" (flash sideways 1)

"Cabin Fever" (flashback 5) • "Confirmed Dead" (flashback 5) • "The Beginning of the End" (flash forward 3) • "The Life and Death of Jeremy Bentham" (flashback)

"One of Them" (flashback 1) • "One of Them" (flashback 2) • "One of Them" (flashback 5) • "What Kate Did" (flashback 5)

"The Incident, Part 1" (flashback 2) • "Born to Run" (flashback 2) • "Born to Run" (flashback 3) • "Born to Run" (flashback 4) • "Born to Run" (flashback 5)

"316" (flashback "46 Hours Ago") • "Namaste" • "The Life and Death of Jeremy Bentham" • "Dead is Dead"

"The Incident, Part 2" (flashback 2) • "Not in Portland" (flashback 1) • "Not in Portland" (flashback 5) • "One of Us" (flashback 1) • "One of Us" (flashback 6)

"Some Like It Hoth" • "Because You Left" (flash forward) • "Follow the Leader" • "Some Like It Hoth" (flashback 1) • "Some Like It Hoth" (flashback 2)

"Two For the Road" (flashback 5) - "White Rabbit"(flashback 6) - "House of the Rising Sun"(flashback 6) • "White Rabbit"(flashback 6)

"Meet Kevin Johnson" (flashback) • "There's No Place Like Home, Part 2" (flash forward 2)

"LA X, Part 2" • "What Kate Does" • "Lighthouse" • "Sundown" • "Lighthouse" (flash sideways 5)

"LaFleur" (flashback 2) • "LaFleur" (flashback 3) • "LaFleur" • "Namaste" • "He's Our You"

"Jughead" (flashback) • "Jughead" • "Dead is Dead" (flashback 6) • "The Variable"

"One of Them" (flashback 3) • "One of Them" (flashback 5) • "Live Together, Die Alone, Part 1" (flashback 4) • "Live Together, Die Alone, Part 1" (flashback 5) • "Live Together, Die Alone, Part 2" (flashback 1) • "Live Together, Die Alone, Part 2" (flashback 2) • "Live Together, Die Alone, Part 2" (flashback 3)

"Three Minutes" (flashback 2 "13 day ago") • "Three Minutes" (flashback 3 "13 day ago") • "Three Minutes" (flashback 4 "11 day ago") • "Live Together, Die Alone, Part 2" • "A Tale of Two Cities" • "The Glass Ballerina" • "I Do" • "Not in Portland" • "Stranger in a Strange Land" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1"

"Exodus, Part 3" (flashback 2) • "Pilot, Part 2"(flashback 1) • "Pilot, Part 2"(flashback 1) - "Pilot, Part 1"(flashback) • "Pilot, Part 2"(flashback 1)

"Three Minutes" (flashback 4 "11 Days Ago") • "Three Minutes" (flashback 5 "3 Days Ago") • "Live Together, Die Alone, Part 2" • "Enter 77"

"Dave" (flashback 2) • "Dave" (flashback 5) • "The Beginning of the End" (flash forward 3)

"...And Found" (flashback 3) • "...And Found" (flashback 4) • "The Whole Truth" (flashback 2) • "The Whole Truth" (flashback 4) • "The Glass Ballerina" (flashback 2) • "The Glass Ballerina" (flashback 5)

"...And Found" (flashback 3) • "The Glass Ballerina" (flashback 6)

"Par Avion" (flashback 1) • "Par Avion" (flashback 3) • "Par Avion" (flashback 4) • "Par Avion" (flashback 6) • "There's No Place Like Home, Part 1" (flash forward 5) • "The Little Prince" • "Whatever Happened Happened" (flashback 4)

"Par Avion" (flashback 3) • "Par Avion" (flashback 4) • "Two For the Road" (flashback 3)

"Cabin Fever" (flashback 1) • "Cabin Fever" (flashback 2) • "Deus Ex Machina" (flashback 1) • "Deus Ex Machina" (flashback 2) • "Deus Ex Machina" (flashback 7)

"Special" (flashback 1) • "Special" (flashback 2) • "Special" (flashback 3) • "Special" (flashback 4) • "Adrift" (flashback 2) • "Adrift" (flashback 3) • "Adrift" (flashback 4) • "Special" (flashback 5)

"One of Us" (flashback 6) • "The Glass Ballerina" • "The Man Behind the Curtain" • "Greatest Hits" • "Through the Looking Glass, Part 1" • "Through the Looking Glass, Part 2"

"Numbers" (flashback 1) - "Everybody Hates Hugo" (flashback 1) • "Outlaws" (flashback 2)

"Three Minutes" (flashback 2 "13 days ago") • "Three Minutes" (flashback 3 "13 days ago") • "Three Minutes" (flashback 4 "11 days ago") • "The Glass Ballerina" • "Every Man for Himself" • "Greatest Hits" • "Through the Looking Glass, Part 1"

"Collision" (flashback 4) • "Collision" (flashback 5) - "Two For the Road" (flashback 1) • "Two For the Road" (flashback 1)

"Across the Sea" • "Across the Sea" (13 years later) • "Across the Sea" (30 years later) • "House of the Rising Sun"- "The Candidate" (2004) • "Lighthouse"

"Orientation" (flashback 1) • "Orientation" (flashback 2) • "Orientation" (flashback 3) • "Orientation" (flashback 4) • "Lockdown" (flashback 1) • "Lockdown" (flashback 2) • "Lockdown" (flashback 4) • "Lockdown" (flashback 5) • "The Substitute" (flash sideways 1) • "The Substitute" (flash sideways 5) • "The Candidate" (flash sideways 1) • "The Candidate" (flash sideways 3)

Fire + Water" (flashback 1) • "Greatest Hits" (flashback 2) • "The Moth"(flashback 1) • "The Moth"(flashback 2) • "Greatest Hits" (flashback 1) • "The Moth"(flashback 3) • "Greatest Hits" (flashback 4) • "The Moth"(flashback 4) • "Fire + Water" (flashback 2) • "Fire + Water" (flashback 3) • "Fire + Water" (flashback 4) • "Fire + Water" (flashback 5) • "The Moth"(flashback 5) • "Recon" (flash sideways 4) • "The End" (flash sideways 7)"The Incident, Part 1" (flashback 2) • "What Kate Did" (flashback 1) • "What Kate Did" (flashback 2) • "What Kate Did" (flashback 3) • "What Kate Did" (flashback 4) • "What Kate Did" (flashback 5) • "Left Behind" (flashback 1) •

"The Glass Ballerina" (flashback 1) • "...In Translation" (flashback 1) • "D.O.C." (flashback 4) • "...In Translation" (flashback 3) • "...In Translation" (flashback 4) • "The Glass Ballerina" (flashback 2) • "The Glass Ballerina" (flashback 3) • "The Glass Ballerina" (flashback 6) • "There's No Place Like Home, Part 1" (flash forward 1) • "There's No Place Like Home, Part 1" (flash forward 3)