Where can I watch “Lost” Season 6 Episode 9 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 “Ab Aeterno”?

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

Watch Lost Season 6 Episode 9 Online

“Ab Aeterno” — Watch "Lost" Season 6 Episode 9 online in HD for free. Check streaming providers, cast, and episode details.

Mar 23, 2010 Season 6 Episode 9 48 min 15

8.9 ★ ★ ★ ★ ★

55 votes

Lost Season 6

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Where can I watch "Ab Aeterno" online?

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Season 6 Episode 9 — Aired on Mar 23, 2010 • runs about 48 minutes.

Directed by Tucker Gates.

Written by Greggory Nations, 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 9 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Richard Alpert's back story is shown: In 1867, he is brought to the island on the Black Rock as a slave. He makes a deal with Jacob to be his representative in exchange for immortality. In the present day, Hurley convinces him to help the candidates replace Jacob and stop the Man in Black from leaving the Island.