Terra is dying, when a strange man in a blue box comes to comfort her. One moment she has no idea who he is, and the next she remembers - she's known the Doctor her whole life. And he's going to make sure she's never alone.

Trapped 1500 years in the past. No Rory, no Doctor and no way to return. Knowledge on aliens can be useful especially when a familiar enemy of the doctor tries to take control of Camelot. But is a knowledge of aliens any good when fighting a dragon? Is Amelia getting too close to the Prince? And is there even a way to return? DW: Set after S6 before S7 Merlin: Set before S1