Sine Qua Non Battlestar Galactica : Season 4 Episode 8
TV-14 Syfy 45m int(0)
Aired: May 30th, 2008 @ 10:00 PM EST on Syfy
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.