Home / Series / Battlestar Galactica (2003) / Aired Order / Season 4 / Episode 8
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Sine Qua Non

This episode is locked. New translations may be added.

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.

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  • Originally Aired May 30, 2008
  • Runtime 44 minutes
  • Content Rating United States of America TV-14
  • Network SYFY
  • On Other Sites IMDB
  • Created May 5, 2021 by
    Evan_ mod
  • Modified January 15, 2024 by
    maxtherabbit
Name Type Role
Michael Taylor Writer
Mark Sheppard Guest Star
Rod Hardy Director