Merlin - Season 5 - Eps 1: Arthur's Bane (1)
Camelot faces a new golden age, but even as the city flowers, the dark seeds of destruction are being sown. In the frozen wastelands of the north, men are disappearing without a trace. King Arthur and his knights undertake a dangerous mission into the unknown in search of answers - but once there, Merlin finds himself locked in a battle unlike any he has fought before.
About Merlin

Title: Merlin
First Air Date: 2008-09-20
Last Air Date: 2012-12-24
Status: Ended
Rating: 7.8/10 (from 1001 votes)
Language: EN
Seasons: 5
Total Episodes: 65
Network: BBC One
Genres: Action & Adventure, Drama, Sci-Fi & Fantasy
Production Companies: Shine TV
Synopsis
The unlikely friendship between Merlin, a young man gifted with extraordinary magical powers, and Prince Arthur, heir to the crown of Camelot.
Cast

Colin Morgan
Merlin

Angel Coulby
Gwen

Bradley James
Arturo Pendragon

Katie McGrath
Morgana

Richard Wilson
Gaius

John Hurt
Kilgharrah (voice)

Tom Hopper
Percival

Rupert Young
Leon