4 Season
73 Episode
Battlestar Galactica - Season 4 Episode 8 Sine Qua Non
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.
- Country : United States of America
- Genre : Sci-Fi & Fantasy, Action & Adventure, Drama
- Director : Ronald D. Moore, Glen A. Larson
- Cast : Edward James Olmos, Mary McDonnell, Jamie Bamber, Katee Sackhoff, James Callis, Tricia Helfer