Doctor Who (1963): Earth, the near future. The Doctor visits Stangmoor Prison to see the Keller Machine, a revolutionary new type of rehabilitation aid, in action - but finds his fellow observers literally dying of fear. Who is responsible for creating the Machine? And how does it connect to the peace conference happening in London?

Starring:

Elisabeth Sladen, Frazer Hines, Jacqueline Hill, John Levene, John Scott Martin, Jon Pertwee, Katy Manning, Nicholas Courtney, Pat Gorman, Patrick Troughton, Peter Davison, Tom Baker, William Hartnell, William Russell

Genre:

Adventure, Drama, Sci-Fi