The Crystal Cave

S3E5 (name soon to change) is the fifth episode of the third series of Merlin.

Sypnosis
When Merlin meets an old sorcerer named Taliesin, he is taken to a crystal cave, and is shown the future; but what he see's isn't so pleasing. Merlin finds out that Morgana will plot yet again to kill King Uther.

Merlin knows that he must change the future before the events shown to him happen, but doing so can have it's consequences...