Episode 2.12 : The Fires of Idirsholas

Merlin Poster

TV Info

Episode Premiere

December 12, 2009


Syfy, BBC


Drama, Family, Fantasy

Show Period

2008 - 2013

Production Company

Shine Television, FremantleMedia Enterprises

Cast and Crew


Jeremy Webb


Julian Jones

Main Cast

  • Colin Morgan as Old Merlin / Emrys
  • Bradley James as King Arthur Pendragon
  • Angel Coulby
  • Katie McGrath
  • Richard Wilson
  • Alexander Vlahos
  • Tom Hopper
  • Rupert Young
  • Eoin Macken as Sir Gwaine / Gwaine
  • Adetomiwa Edun
  • Santiago Cabrera
  • Miranda Raison
  • Anthony Head
  • Ben Daniels
  • Warwick Davies
  • John Lynch

Additional Cast

  • Emilia Fox


When the fires of Idirsholas burn for the first time in 300 years, Gaius fears a sorcerer has reformed the deadly Knights of Medhir. Arthur and Merlin ride out to face the Knights ... and barely escape with their lives. Upon returning home, they find everyone in Camelot is under a strange enchantment - all except for Morgana. Could she be behind the magic which threatens the Kingdom? As the Knights attack a defenceless Camelot, Merlin's loyalties are tested to the limit.

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