Part FourSeries Episode Number: 431
World Premiere: Sat 25 Sep 1976 - 6:12pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 8 May 1980 - 5:30pm CDT [WTTW 11 Chicago]
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.