Fantasy drama Merlin returns to BBC One for a fourth series next month. CultBox recently took a trip down to the set in Cardiff and chatted to a number of the cast, including Katie McGrath, who plays Morgana.
Watch Katie discuss how she deals with the worldwide popularity of the show and how she feels about giving kids nightmares…
In our previous exclusive clips, Katie introduces the new series, discusses playing the ‘new Morgana’, reveals her highlights of Comic-Con 2011 and ponders the show’s future beyond Series 5.