Doctor Who Shada

The story revolves around the lost planet Shada on which the Time Lords built a prison for defeated wouldbe conquerors of the universe Skagra one such inmate needs the help of one of the prisons inmates He finds nobody knows where Shada is anymore except one aged Time Lord who has retired to Earth where he is a professor at St Cedds College Cambridge Luckily for the universe Skagras attempt to force the information out of Professor Chronotis coincides with a visit by the professors old friend the Doctor Filming for this story was never finished and in this version the story is completed via oncamera narration