First on BBC One, a little later than originally billed...
The Doctor visits his old Time Lord friend Chronotis in Cambridge, 1979. But the ruthless Skagra has also arrived to retrieve a book that will help unlock one of the Time Lords' greatest secrets: what is Shada? Filming for this story was never finished, and in this version the unfilmed material is completed via animation.
Producer: James Goss, Charles Norton, Graham Williams, John Nathan-Turner
Director: Charles Norton, Pennant Roberts
Director of Photography: Peter Tyler
Writer: Douglas Adams
The Doctor
Romana
K-9 (voice)
Skagra
Chris Parsons
Professor Chronotis
Clare Keightley
Wilkin