TV Show/Series Title: Merlin
Season: 2
Episode: 12
Episode's Title: The Fires of Idirsholas
Genres: Drama
Airs: 12th December, 2009
Episode's Synopsis: When the Fires of Idirsholas burn for the first time in 300 years, Gaius fears it heralds the return of the Knights of Medhir. Morgause has returned, hell-bent on ending Uthur's reign. Arthur and Merlin ride out to confront the Knights but barely escape with their lives. But when they return to Camelot, they find out that eveyone except for Morgana is under a strange enchanment. Is she behind this new magical threat? As Morgause and the Knights attack a helpless kingdom, Merlin finds his loyalties stretched to the limit. (episode writer)