Season
- Season 5 2012-10-06
- Season 4 2011-10-01
- Season 3 2010-09-11
- Season 2 2009-09-19
- Season 1 2008-09-20
Episode
- Episode 1: The Curse of Cornelius Sigan
- Episode 2: The Once and Future Queen
- Episode 3: The Nightmare Begins
- Episode 4: Lancelot and Guinevere
- Episode 5: Beauty and the Beast (1)
- Episode 6: Beauty and the Beast (2)
- Episode 7: The Witchfinder
- Episode 8: The Sins of the Father
- Episode 9: The Lady of the Lake
- Episode 10: Sweet Dreams
- Episode 11: The Witch's Quickening
- Episode 12: The Fires of Idirsholas (1)
- Episode 13: The Last Dragonlord (2)
Merlin Season 2 The Once and Future Queen
The unlikely friendship between Merlin, a young man gifted with extraordinary magical powers, and Prince Arthur, heir to the crown of Camelot.
