Fantasy drama Merlin returns to BBC One for a fourth series next weekend . CultBox recently took a trip down to the set in Cardiff and chatted to a number of the cast, including Bradley James, who plays Arthur.
‘The Darkest Hour’ airs at 7.50pm on Saturday 1st October on BBC One.
In the first clip from our exclusive interview, Bradley chats about working with special effects on the Series 4 finale, which he was filming at the time…
Watch Bradley discuss the Knights joining the cast…
Watch Bradley chat about his fans and Comic-Con 2011…