Lost (Episode Guide)
2.03 – Orientation (October 5, 2005)
Directed by Jack Bender | Written by Javier Grillo-Marxuach, Craig Wright

Jack, Locke and Kate learn more secrets about the hatch. Meanwhile, after being beaten and taken captive, Sawyer, Michael and Jin wonder if their captors are fellow survivors or the dreaded “Others.”
2.17 – Lockdown (March 29, 2006)
Directed by Stephen Williams | Written by Carlton Cuse, Damon Lindelof

When the hatch suddenly takes on a life of its own, Locke is trapped alone in the bunker and is forced to enlist the help of an unlikely ally: the captive Henry Gale to try to free him. Meanwhile, Jack faces off against Sawyer in a series of card games for supplies. Also, Ana Lucia, Sayid and Charlie find out the truth about Henry in the jungle.
6.04 – The Substitute (February 16, 2010)
Directed by Tucker Gates | Written by Elizabeth Sarnoff, Melinda Hsu Taylor

On the island, the being now occupying Locke’s body turns to Sawyer and promises to tell him why he’s on the island. Back in Los Angeles, Locke loses his job and encounters a number of familiar faces.
6.14 – The Candidate (May 4, 2010)
Directed by Jack Bender | Written by Elizabeth Sarnoff, Jim Galasso

With Jack’s help, Locke rescues the candidates from Widmore’s compound, but their plans for leaving the island are forced to change. In Los Angeles, Jack tries to convince Locke to try an experimental surgery for his paralysis.