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Episode Recap: Valley Of Darkness

A Cylon virus has penetrated the Galactica's computers, while Cylon Centurions have boarded and are battling toward the ship's vulnerable centers. 

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A Cylon virus has penetrated the Galactica's computers, while Cylon Centurions have boarded and are battling toward the ship's vulnerable centers. 

How to Watch

Catch up on Battlestar Galactica on Peacock or the SYFY app.