The fourth Doctor faces his greatest challenge yet as he emerges from regeneration to confront Think Tank's sinister scheme for global conquest. With Earth's fate hanging in the balance, can he overcome the lingering effects of his transformation to stop their ruthless ambitions?
Directed by Christopher Barry | Written by Terrance Dicks | Starring Tom Baker, Elisabeth Sladen, Ian Marter
Directed by Christopher Barry | Written by Terrance Dicks | Starring Tom Baker, Elisabeth Sladen, Ian Marter