Lost - Season 1 - Eps 7: The Moth
Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when he's buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission.
About Lost

Title: Lost
First Air Date: 2004-09-22
Last Air Date: 2010-05-23
Status: Ended
Rating: 7.9/10 (from 4476 votes)
Language: EN
Seasons: 7
Total Episodes: 118
Network: ABC
Genres: Mystery, Action & Adventure, Drama
Production Companies: ABC Studios, Bad Robot, Touchstone Television
Synopsis
Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.
Cast

Matthew Fox
Jack Shephard

Evangeline Lilly
Kate Austen

Terry O'Quinn
John Locke

Josh Holloway
James Sawyer

Michael Emerson
Benjamin Linus

Jorge Garcia
Hurley Reyes

Naveen Andrews
Sayid Jarrah

Jeff Fahey
Frank Lapidus

Nestor Carbonell
Richard Alpert

Henry Ian Cusick
Desmond Hume