The Masque of Mandragora: Part Four 1976
7.7 244 With Mandragora having taken complete control of the brethren, the Doctor tries to find a way to drain off the Mandragora energy on Earth before it wipes out the guests at Giuliano's masque.
Runtime: 25
Starts: Tom Baker, Elisabeth Sladen, Norman Jones, Gareth Armstrong
Director: Rodney Bennett