The cast of Merlin say they want show to end on a high
5 October 2012 Last updated at 07:05 BST
Merlin star Bradley James says that he would like the fantasy series to go out on a high when it does end.
The actor joined co-star Angel Coulby to talk to Newsbeat about the show's increased ambition and darker tone of the fifth series.
The new series of Merlin begins on 6 October on BBC One.