A mysterious illness has descended on the village of Longstead and there's an evil presence lurking on this week's Merlin. Gwen's old friend Mary pays Camelot a visit to beg for Arthur's help and the ...

8. Lamia - A mysterious illness draws Merlin to a distant village. Far from home and with no one to trust, Merlin becomes embroiled in a deadly game of cat and mouse. Can the young warlock survive ...

Merlin falls ill in the latest instalment of BBC One's top fantasy drama, but this is no case of the sniffles - the boy wizard has been struck down by a mysterious magical sickness! Travelling to a ...