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Bradley James and Anthony Head on return of Merlin

6 September 2010 Last updated at 11:54 BST

The popular fantasy drama Merlin is back for a third series. Prince Arthur Pendragon and his father Uther Pendragon, played by Bradley James and Anthony Head talk to BBC Breakfast about what lies ahead for Camelot.

Merlin is on BBC One at 1925BST on Saturday 11 September 2010 and afterwards on BBC iPlayer.