Released:
1979-02-24

Overview:
The final segment of the Key to Time is at the heart of a devastating war between neighbouring planets Atrios and Zeos. The Fourth Doctor discovers that a sinister entity is manipulating events and the cost of obtaining the final segment may be more personal than he imagined.

Director:
Michael Hayes

Runtime:
2h 30min

Genre:
Action, Adventure, Drama, Science Fiction, TV Movie

• Cast:
• 
  Tom Baker
  as
  The Doctor
• 
  Mary Tamm
  as
  Romana
• 
  John Leeson
  as
  K-9 (voice)
• 
  John Woodvine
  as
  Marshal
• 
  Lalla Ward
  as
  Princess Astra