Written by Anthony Steven
"The purpose of reconnaissance, after all, is to gather information, not to finish up face down in a pool on ones own blood. Especially blood as noble as mine"
| Episode Title | Premiere Date |
| Episode 1 | 22/03/1984 |
| Episode 2 | 23/03/1984 |
| Episode 3 | 29/03/1984 |
| Episode 4 | 30/03/1984 |
The Doctor has regenerated and all is not well. Confused, angry and acting strangely, the new Doctor decides to become a hermit, so takes his concerned companion Peri to a desolate asteroid where he plans to live for several centuries. However, the time travellers soon uncover a plot that threatens the entire galaxy! Why has an alien Gastropod kidnapped a pair of genius twins, and will the Doctor recover in time to find out?
Cast & Crew
The Doctor: Colin Baker
Peri Brown: Nicola Bryant
Mestor: Edwin Richfield
Hugo Lang: Kevin McNally
Professor Edgeworth / Azmael: Maurice Denham
Sylvest: Dennis Chinnery
Romulus Sylvest: Gavin Conrad
Remus Sylvest: Andrew Conrad
Producer: John Nathan-Turner
Director: Peter Moffatt
Scriptwriter: Anthony Steven
