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6. Beauty and the Beast, Part 2 - Merlin must reveal that Camelot’s new Queen is a troll before she destroys the kingdom.But even if he succeeds, will this be enough to break her powerful magic ...

6. The Changeling - Wedding bells beckon for Arthur but his bride is not all that she seems. Can Merlin vanquish his old foe, the Sidhe, in time to stop Arthur making the biggest mistake of his life?