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Episode 13: The Diamond of the Day: Del 2
47min - As the great battle rages on Camlann's mighty plain, Merlin faces his moment of destiny.
Episode 12: The Diamond of the Day: Del 1
43min - Merlin finds himself facing the future he's fought so long to avoid.
Episode 11: The Drawing of the Dark
43min - A troubled Mordred must choose between love and loyalty.
Episode 10: The Kindness of Strangers
43min - Morgana leads a terrifying manhunt in pursuit of her old foe Alator of the Catha.
Episode 9: With All My Heart
43min - Merlin risks everything to put an end to Morgana's control over Gwen.
Episode 8: The Hollow Queen
43min - As a deadly net closes in around Arthur, Merlin finds himself far from Camelot.
Episode 7: A Lesson in Vengeance
43min - King Arthur is the target of a dangerous assassin - his wife and queen, Guinevere.
Episode 6: The Dark Tower
43min - Morgana uses Gwen to lure Arthur into a deadly trap, imprisoning her in the Dark Tower.
Episode 5: The Disir
43min - When Arthur angers the ancient Disir, Merlin must make the hardest decision of his life.
Episode 4: Another's Sorrow
43min - Morgana conjures up a deception so powerful that the whole of Camelot is taken in.
Episode 3: The Death Song of Uther Pendragon
43min - Arthur risks everything when he summons a spirit from the dead - Uther.
Episode 2: Arthur's Bane: Del 2
43min - Ancient prophecies of Mordred weigh heavy on Merlin.
Episode 1: Arthur's Bane: Del 1
43min - As the forces of fate cast a shadow over Camelot, Merlin must confront his darkest fears.