The Name of the Doctor - S7-E15
Continuity mistake: When the Doctor pulls the Intelligence's hand off his chin, Simeon's thumb is suddenly no longer touching his face. (00:25:56)
The Name of the Doctor - S7-E15
Continuity mistake: When the Doctor is talking to River just before entering his own timeline to rescue Clara, in the shots facing him, the glowing column representing his timeline is not visible, despite the fact that a wide shot reveals he's standing right in front of it. (00:39:25 - 00:40:04)





Answer: Sec was killed and Diagorus wasn't connected to the same system as the dead human experiments. Also technically... Still a Dalek.
jakew25