Battlestar Galactica Season 1 Episode 9

Link 1 (sina): Battlestar Galactica Season 1 Episode 9

Original Air Date—13 December 2004
After the interrogated Cylon gave Roslin the idea that Adama might be a Cylon, Roslin becomes suspicious of him. Unexpectedly, Colonel Tigh’s estranged wife Ellen turns up alive in the fleet, apparently miraculously, raising the possibility that she might be a Cylon.