It was announced earlier today (November 26) that the hit fantasy drama will draw to a close this Christmas with a two-part finale.
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The four pictures show the young wizard (Colin Morgan) wielding a sword, plus Arthur (Bradley James) with his assembled Knights of the Round Table.
Merlin continues this Saturday (December 1) at 8pm on BBC One with latest episode 'With All My Heart'.
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Watch the stars of Merlin discuss the fifth and final series with Digital Spy below: