Part Four
Series Episode Number: 431World Premiere: Sat 25 Sep 1976 - 6:12pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 45 seconds
10.60 Million (UK)
Appreciation Index: 56 (UK)Chart Position: 23 () (UK)
Recorded on Tue 08 Jun 1976 in TC3
As the leading scholars of the era assemble in the palace for the masque, Mandragora prepares to attack, intent on sending the world into a new dark age.