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.
Michael Hayes | Director |
Bob Baker | Writer |
Dave Martin | Writer |
Graham Williams | Producer |
Anthony Read | Script Editor |
Douglas Adams | Script Editor |
David Maloney | Producer |
Dudley Simpson | Original Music Composer |