'Merlin': 'The Darkest Hour: Part Two' in pictures
Meanwhile, Arthur continues on his quest towards the Isle of the Blessed, but can the rift to the spirit world be sealed without the prince laying down his own life? One thing's for sure - with Morgana poised to strike, a certain fire-breathing friend is back to lend a hand!
> Merlin: 'The Darkest Hour - Part One' recap
Take a look at a gallery of images from the next episode of Merlin below:
Copyright: BBC Pictures