Battlestar Galactica (2004) (2004)

S1E9 Tigh Me Up, Tigh Me Down

President Roslin's suspicions about Commander Adama being a Cylon intensify when she discovers he’s been making covert wireless communications with other ships. To complicate matters further, a lone Cylon raider shows up near the Galactica, exhibiting unusual behavior after sustaining damage in combat.