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Lost: The Substitute

The John Locke impostor takes Sawyer on a trek through the jungle towards answers, while in the alternate reality John Locke struggles with life on a wheelchair.

Episode Info

Episode number: 6x4
Airdate: Tuesday February 16th, 2010

Alternate Airdates:

CA (CTV) Feb 16, 2010 (Premiere!)
NL (Net 5) Feb 19, 2010
UK (sky 1) Feb 19, 2010
FI (MTV3) Mar 11, 2010

  • Currently 7.9/10
7.9/10 (50 Votes cast)
Guest Stars
Billy Ray Gallion
As Randy
Katey Sagal
As Helen
Keegan Boos
As Young Sawyer
Kenton Duty
As Teenage Boy
L. Scott Caldwell
As Rose
Mark Pellegrino
As Jacob
Suzanne Krull
As Lynn Karnoff
Eddie L. Cavett
As Courier
Joshua Smith (1)
As School kid
Main Cast
Terry O'Quinn
As John Locke
Josh Holloway
As James 'Sawyer' Ford
Jorge Garcia
As Hugo 'Hurley' Reyes
Yunjin Kim
As Sun Hwa Kwon
Michael Emerson
As Ben Linus
Nestor Carbonell
As Richard Alpert
Jeff Fahey
As Frank Lapidus
Zuleikha Robinson
As Ilana Verdansky
Episode Notes
At the end of the episode it is revealed that Jacob was looking for a replacement and his candidates were John Locke, Hugo Reyes, James Ford, Sayid Jarrah, Jack Shephard and either Jin or Sun Kwon. Jacob also assigned the mysterious numbers to these people: 4, 8, 15, 16, 23, and 42, respectively.

ArtistSong TitlePlayed When
Iggy PopSearch And Destroywhen Locke enters Sawyer's house

Episode References
Footage from "The Incident" of Jacob meeting several of the characters is shown.

Sawyer says that he is on the Island because his plane crashed, his raft blew up, and the helicopter he was on had one too many people on it. These are all events shown in"Pilot, Part 1" and "Exodus, Part 2" and "There's No Place Like Home, Part 2" and "There's No Place Like Home, Part 3".

Other Episode Crew

CreatorJ.J. Abrams  |  Damon Lindelof  |  Jeffrey Lieber
Executive ProducerJ.J. Abrams  |  Bryan Burk
ProducerRa'uf Glasgow
CastingApril Webster
Warning: Lost season 6 episode 4 guide may contain spoilers
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