The story revolves around the planet Shada, on which the Time Lords have constructed a high security prison for some of the Universe's most dangerous criminals. Skagra, a flawed genius from the planet Dronoid, wishes to create a "Universal Mind" in which all the pooled knowledge of the universe's greatest criminals would be placed at his disposal and with which he int... Read all
Director: Charles Norton
Cast:Tom Baker , Lalla Ward , Christopher Neame , Daniel Hill , Denis Carey , Victoria Burgoyne , David Brierly , Gerald Campion , Shirley Dixon , Derek Pollitt , James Coombes , John Hallet , David Strong , James Muir , Derek Suthern , Barnaby Edwards , Tim Bentinck , Toby Hadoke