| Series Number: | 1 |
| Bgcolour: |
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| Num Episodes: | 13 |
| Network: | BBC |
| Episode List: | List of Merlin episodes |
The first series of Merlin, a British fantasy television series, began on 20 September 2008 and ended on 13 December 2008. Regular cast members for the first series include Colin Morgan, Bradley James, Katie McGrath, Angel Coulby, Anthony Head, Richard Wilson, and John Hurt as the voice of the Great Dragon. The first series contained thirteen episodes, with 7.15 million tuning into the premier and 6.27 for the series finale. It was the only series to be composed completely of stand-alone episodes. Before the series finale, the BBC confirmed that the series was renewed for a further 13 episode second series. Series 2 premiered on 19 September 2009.
Merlin and Arthur must work together to protect the great kingdom of Camelot against dark sorcery. But Merlin faces a tough challenge in hiding his dark secret from his best friends. Because the only way to fight magic... is with magic.