Watch Battlestar Galactica Season 4 Episode 8 Online

“Sine Qua Non” — Watch "Battlestar Galactica" Season 4 Episode 8 online in HD for free. Check streaming providers, cast, and episode details.
May 30, 2008 Season 4 Episode 8 44 min 18
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Season 4 Episode 8 — Aired on May 30, 2008 • runs about 44 minutes.

Directed by Rod Hardy.

Written by Michael Taylor.

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 8 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

With President Roslin missing along with the cylon base ship a new president must be decided on. Galactica goes on a search for the missing base ship and the Galactica crew members that were on board.

Stills

Still from Battlestar Galactica - Season 4 Episode 8 Still from Battlestar Galactica - Season 4 Episode 8

Cast

Edward James Olmos
as Commander William Adama
Mary McDonnell
as Laura Roslin
Jamie Bamber
as Lee 'Apollo' Adama
Katee Sackhoff
as Kara 'Starbuck' Thrace
James Callis
as Gaius Baltar
Tricia Helfer
as Number Six
Tahmoh Penikett
as Karl 'Helo' Agathon
Grace Park
as Sharon 'Boomer' Valerii
Michael Hogan
as Saul Tigh
Aaron Douglas
as Galen Tyrol

Episodes – Season 4

Trailer / clip

There�s no trailer available for this series right now.