The final Doctor Who - Merlin crossover actor to have appeared in every episode of the Arthurian show is Richard Wilson, who played Merlin's tutor and guardian Gaius. Besides a few episodes where ...

Merlin stumbles upon the crystal cave and glimpses a series of terrible prophetic visions. Can he change the future and stop it from happening? And if so, at what price?

Merlin, a young good-looking country boy, arrives at the great bustling colorful city of Camelot. He rushes into the castle walls and hurries to join a lively crowd in the square. Share this episode ...