> Order the complete Series 5 DVD boxset on Amazon.

‘The Dark Tower’ airs at 8.05pm on Saturday 10 November on BBC One and when Gwen is snatched from Camelot without warning, Merlin knows there can be only one person responsible: Morgana.

Arthur is determined to rescue his Queen – but it’s not going to be easy, for she is locked in the Dark Tower, a place that haunts the dreams of men.

Are you looking forward to the episode? Let us know below…

> Order the complete Series 5 DVD boxset on Amazon.

Watch the Series 5 trailer…