Part One
S13, E17: A mad scientist wants the Doctor's head on a plate - literally! Sinister foes menace the Doctor from the moment he sets foot on the storm-lashed planet of Karn.
Starring Gilly Brown, Sue Bishop, Janie Kells
S13, E17: A mad scientist wants the Doctor's head on a plate - literally! Sinister foes menace the Doctor from the moment he sets foot on the storm-lashed planet of Karn.