Merlin: The Drawing of the Dark Next Time Trailer - Series 5 Episode 11 - BBC One

Mordred finds himself torn between loyalty and love, but little does he realise that the path he chooses will shape Camelot’s destiny... As the drums of war beat ever louder, a desperate Merlin feels trapped by the cruel circle of fate - is he powerless to stop his dreams of Albion from crumbling to dust?