Double Double Wizzard Trouble King Arthur's Disasters : Season 2 Episode 10

Princess Guinevere worries that her nostrils might be slightly imperfect and King Arthur and Merlin travel to a Wizard's retreat to retrieve a magic mirror known as 'The Bride's Reflection'. But Arthur accidentally uncovers 'The Black Heart of Doom' - a mirror which releases an evil Merlin bent on destroying Arthur.