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Apollo formulates a plan that threatens the very existence of the Cylon culture. Adama and Roslin must decide whether to follow through on the plan to use a biological weapon against the Cylons. D'Anna Biers (Number Three) believes Baltar knows who created the virus that infected and disabled the Cylon baseship. She is willing to take extreme measures to learn the truth.
First Air Date : Oct 18, 2004
Last Air date : Mar 20, 2009
Episode : 73 Episode
Season : 4 Season
Runtime: 44 minutes
Studio: Syfy
Country: United States of America