Sæson
Episode
- Episode 1: A Tale of Two Cities
- Episode 2: The Glass Ballerina
- Episode 3: Further Instructions
- Episode 4: Every Man for Himself
- Episode 5: The Cost of Living
- Episode 6: I Do
- Episode 7: Not in Portland
- Episode 8: Flashes Before Your Eyes
- Episode 9: Stranger in a Strange Land
- Episode 10: Tricia Tanaka Is Dead
- Episode 11: Enter 77
- Episode 12: Par Avion
- Episode 13: The Man from Tallahassee
- Episode 14: Exposé
- Episode 15: Left Behind
- Episode 16: One of Us
- Episode 17: Catch-22
- Episode 18: D.O.C.
- Episode 19: The Brig
- Episode 20: The Man Behind the Curtain
- Episode 21: Greatest Hits
- Episode 22: Through the Looking Glass (1)
- Episode 23: Through The Looking Glass (2)
Lost Sæson 3 Enter 77
Oceanic Flight 815 – et kommercielt fly fra Sydney, Australien til Los Angeles, USA – styrter ned på en tropisk Stillehavsø. De 48 overlevende havner på en ø med mange hemmeligheder, må de holde sammen hvis de nogensinde skal komme hjem i live.
