Battlestar Galactica Season 4 Episode 8

Battlestar Galactica Season 4 Episode 8

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.

Episode Title: Sine Qua Non

Air Date: 2008-05-30

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