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Battlestar Galactica
Season 4 · Episode 8
Sine Qua Non
7.444mMay 30, 2008
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.
Episodes
- Episode 1He That Believeth in Me
- Episode 2Six of One
- Episode 3The Ties That Bind
- Episode 4Escape Velocity
- Episode 5The Road Less Traveled
- Episode 6Faith
- Episode 7Guess What's Coming to Dinner?
- Episode 8Sine Qua Non
- Episode 9The Hub
- Episode 10Revelations
- Episode 11Sometimes a Great Notion
- Episode 12A Disquiet Follows My Soul
- Episode 13The Oath
- Episode 14Blood on the Scales
- Episode 15No Exit
- Episode 16Deadlock
- Episode 17Someone to Watch Over Me
- Episode 18Islanded in a Stream of Stars
- Episode 19Daybreak (1)
- Episode 20Daybreak (2)