Where can I watch “Lost” Season 6 Episode 4 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “The Substitute”?

Watching earlier episodes in season 6 helps you follow the plot and character arcs leading into this episode.

Watch Lost Season 6 Episode 4 Online

“The Substitute” — Watch "Lost" Season 6 Episode 4 online in HD for free. Check streaming providers, cast, and episode details.

Feb 16, 2010 Season 6 Episode 4 44 min 15

8.4 ★ ★ ★ ★ ★

46 votes

Lost Season 6

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Season 6 Episode 4 — Aired on Feb 16, 2010 • runs about 44 minutes.

Directed by Tucker Gates.

Written by Elizabeth Sarnoff, Melinda Hsu Taylor.

Notable cast/guest names in this episode include Matthew Fox, Evangeline Lilly, Terry O'Quinn, Josh Holloway.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Lost Season 6 Episode 4 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

On the island, the Man in Black attempts to recruit Sawyer in his attempt to leave the island, while an impromptu funeral is held for the real Locke. In the flash sideways, Locke is fired from his job and becomes a substitute teacher.