Episode guide
Merlin: Season 4
13 episodes · first aired Oct 1, 2011
Merlin is bac for a fourth series, with Camelot standing on the brink of a golden age. But its birth will not be an easy one, for the forces of evil are gathering and the darkest hour is just before the dawn...
- 1 The Darkest Hour (1) Oct 1, 2011 · 44m Evil sorceress Morgana summons mighty gatekeeper the Cailleach, who opens a door to another world from which hellish creatures pour forth. As Arthur and his loyal knights take up arms…
- 2 The Darkest Hour (2) Oct 8, 2011 · 43m The kingdom is on the brink of collapse and Morgana poised to strike, in the final part of this opening episode of the fantasy drama. As Lancelot races back to Camelot with the dying…
- 3 The Wicked Day Oct 15, 2011 · 44m The mighty citadel is buzzing in anticipation of the Prince's birthday celebrations, as the fantasy drama continues. But Arthur's old adversary, Odin, promises to ensure this is one party…
- 4 Aithusa Oct 22, 2011 · 43m A mysterious visitor arrives in Camelot seeking a very special prize: a dragon's egg.
- 5 His Father's Son Oct 29, 2011 · 43m Arthur faces his first true test as King when he incurs the wrath of the formidable Queen Annis. With the lives of thousands hanging in the balance, Arthur must find the strength to be his…
- 6 A Servant of Two Masters Nov 5, 2011 · 43m Merlin becomes a deadly weapon in Morgana's fight for supremacy when he falls into her hands. By recurring to ancient magic, she manages to turn friend against friend and creates the…
- 7 The Secret Sharer Nov 12, 2011 · 43m Morgana joins forces with enigmatic wizard Alator to uncover a secret that could change the course of destiny, as the magical drama continues. With allies on both sides of the castle…
- 8 Lamia Nov 19, 2011 · 43m A mysterious illness draws Merlin to a distant village. But it soon becomes clear that there is more at stake than just his patients' well-being as something sinister turns the air sour…
- 9 Lancelot du Lac Nov 26, 2011 · 45m When Sir Lancelot returns from the dead, old feelings reignite, as the drama continues. Gwen must fight temptation before she commits an unspeakable act of betrayal; one that would destroy…
- 10 A Herald of the New Age Dec 3, 2011 · 43m The Camelot Knights stumble across an eerie shrine deep in the forest, its chilling atmosphere betraying a dark history best left undisturbed, as the magical drama continues. But when…
- 11 The Hunter's Heart Dec 10, 2011 · 43m Morgana ends up discovering a powerful ally in the Southron warlord Helios and they come up with the perfect plan to bring Camelot to its knees. With Arthur preoccupied by the beautiful…
- 12 The Sword in the Stone (1) Dec 17, 2011 · 43m Morgana is now the head of a vast Southron army and a deadly net is closing around Camelot. After the sorceress strikes everyone is forced to run for their lives including Arthur. It is…
- 13 The Sword in the Stone (2) Dec 24, 2011 · 44m Morgana and Helios have successfully captured Camelot, and Merlin and Arthur are outlaws on the run, in the last episode in this season of Merlin. Trapped in Ealdor with a ruthless army…