Colin Morgan as Merlin
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'Darker' fourth series of Merlin

The Knights of the Round Table are among the newest arrivals at Camelot, providing much needed support for Arthur as the fourth series of Merlin begins.

But the programme has a darker side this time around, with Morgana determined to convince anyone she can to join her team, as Mike Bushell discovered when he visited Camelot.

  • 01 Oct 2011
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