Where can I watch “Battlestar Galactica” Season 4 Episode 20 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).

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Watching earlier episodes in season 4 helps you follow the plot and character arcs leading into this episode.

Watch Battlestar Galactica Season 4 Episode 20 Online

“La Mère de l'Humanité (2)” — Watch "Battlestar Galactica" Season 4 Episode 20 online in HD for free. Check streaming providers, cast, and episode details.

Mar 20, 2009 Season 4 Episode 20 92 min 18

8.3 ★ ★ ★ ★ ★

21 votes

Battlestar Galactica Season 4

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Season 4 Episode 20 — Aired on Mar 20, 2009 • runs about 92 minutes.

Directed by Michael Rymer.

Written by Ronald D. Moore.

Notable cast/guest names in this episode include Edward James Olmos, Mary McDonnell, Jamie Bamber, Katee Sackhoff.

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

Looking for “watch Battlestar Galactica Season 4 Episode 20 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

La colonie Cylon ayant été découverte, l'Amiral Adama décide d'agir pour sauver Hera et mettre un terme à cette guerre avec les Cylons de Cavil. Pour cette mission suicide, il réuni les volontaires. Le temps est venu de passer à l'action... Athena craint qu'il ne soit trop tard pour venir en aide à sa fille...