Prolouge

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