Merlin
The Darkest Hour - Part One
Season 4 Episode 1 of 13
Evil sorceress Morgana summons mighty gatekeeper the Cailleach, who opens a door to another world from which hellish creatures emerge. As Arthur and his loyal knights take up arms, Merlin discovers the only thing that will stop them is an unimaginable sacrifice. Colin Morgan returns as the young wizard in the first of a two-part story, guest starring Gemma Jones (the Harry Potter movies) and Emilia Fox (Silent Witness)
Merlin airs on Sky Replay at 7:00 PM, Tuesday 3 December. (Subtitles, repeat, audio description.)
Learn more about Merlin and other movie/drama on our drama page
Topics
Movie ➝ Drama
Adventure ➝ War
Fantasy
Colin Morgan
Actor
Bradley James
Actor
Anthony Head
Actor