Outside references are deliberately inserted references to Lost from TV shows, movies, and other outside sources.
For cultural allusions in Lost, see Portal:Culture.
- In the Spanish Ad for the miCoach (an interactive personal training device), after showing some of the advantages of using the device a man says "I even let miCoach decide the players alination", then the image of a soccer field showing the numbers of the players and their positions in the field appears one by one "4, 8, 15, 16, 23, 42", and the man says "42? I guess it's not ready for that yet..."
- In an ad for the iPhone in MacWorld Magazine, a man is searching for flight information on his iPhone for Oceanic Flight 815.
- An ad for this French phone provider shows a woman waking and conducting her morning routine to the sounds of "Make Your Own Kind Of Music", a likely reference to the opening of "Man of Science, Man of Faith".