Battlestar Galactica

Season 1

Episode 7: Six Degrees of Separation

After Baltar has an argument with the vision of Number Six he sees in his head, a physical copy of Cylon model Number Six shows up in Galactica's CIC claiming to be a woman named Shelley Godfrey who has evidence that proves that Baltar has betrayed humanity...except that she's trying to frame him for an act of pre-attack sabotage.