Mild science fiction violence
|Director:||Michael E. Briant|
|Actors:||Jon Pertwee, Katy Manning, Bernard Kay, Morris Perry|
Jon Pertwee stars as the Third Doctor. The TARDIS takes the Doctor and Jo to the desolate planet Uxarieus in the year 2472 where a newly formed colony finds mysterious damage to property and crops, and then murder when a mining company move in. An arbiter arrives to mediate between the two parties, but the Doctor recognises him as the Master. What is he doing here and what is the secret of the strange ruined city nearby?