Battlestar Galactica (2004)
S01E08 Flesh and Bone
Title: Flesh and Bone Plot: A Cylon named Leoben is found aboard one of the fleet's vessels. Commander Adama assigns Kara to question him — or rather, it. During the interrogation, Leoben claims to have placed a nuclear bomb on one of the ships. Doubting his words, Kara still decides to relay the potential threat to her superiors.