The Darkest Hour

Revival of the Witch is the two-part story consisting of the first two episodes of the fourth series of Merlin. The title indicates that Morgause or even Nimueh will be revived. This episode will presumably follow the reprecussions of the previous series finale.

Part One
Although the full plot is still unknown it is thought that Morgana will revive Morgause. It is also possible that Nimueh could be revived, although this is unlikely.

Morgana and Morgause travel again to the Isle of the Blessed and meet the Cailleach.

Part Two
It is possible that in this episode, Morgause will revive Nimueh.

Part One
TBA

Part Two
TBA

Cast

 * Colin Morgan as Merlin
 * Michelle Ryan as Nimueh (rumoured)
 * Bradley James as Arthur Pendragon
 * Katie McGrath as Morgana Pendragon
 * Emilia Fox as Morgause
 * Gemma Jones as The Cailleach
 * Nathaniel Parker as Agravaine
 * Angel Coulby as Guinevere
 * Anthony Head as Uther Pendragon
 * Richard Wilson as Gaius
 * John Hurt as the voice of Kilgharrah (possibly)
 * Rupert Young as Sir Leon
 * Santiago Cabrera as Sir Lancelot
 * Tom Hopper as Sir Percival
 * Adetomiwa Edun as Sir Elyan
 * Eoin Macken as Sir Gwaine
 * Asa Butterfield as Mordred
 * Laura Donnelly as Freya (rumoured)

Broadcast
September 2011.

Trivia

 * This is the show's fourth two-parter, after The Coming of Arthur, The Tears of Uther Pendragon and Beauty and the Beast, and the second time a series has started with one after The Tears of Uther Pendragon.