The second series of Merlin, is a British fantasy television series which began on 19 September 2009 and ended on 19 December 2009. Series two regular cast members include Colin Morgan, Bradley James, Katie McGrath, Angel Coulby, Anthony Head, Richard Wilson, and John Hurt as the voice of the Great Dragon. Series two contains thirteen episodes and had 5.77 million viewers for the premiere with 6.64 million viewers for the series finale. Series 2 was the first series to have a two-parter and the only series to have a two-parter mid-series. BBC renewed the show for the third series which premiered on 11 September 2010.
