The Sword in the Stone: Part One
Season 4 Episode 12/13
In the first of a two-part season finale, Morgana and her massive army close in around Camelot, and when she strikes, the ferocity of her attack forces everyone to run for their lives - even Arthur. But the sorceress will not let him escape that easily - and so begins a chilling hunt for the king. Can Merlin save his master's life yet again? Sword-and-sorcery adventure, starring Colin Morgan, Bradley James and Katie McGrath, with guest appearances by Ben Daniels and Miranda Raison
Rating: 8.5