Faced with what may be the greatest threat to Camelot yet, Merlin (Colin Morgan) is offered help by the enigmatic Finna (Sorcha Cusack), but can the young wizard possibly trust her?
'The Kindness of Strangers' leads into Merlin's two-part series finale - the end is almost here, loyal fans!
Merlin continues this Saturday (December 8) at 7.55pm on BBC One.
> Merlin star Bradley James: 'I turned down a sixth series'
> Merlin: New episode 'With All My Heart' review
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