Written by Chris Boucher
"While these robots are humanoid, presumably for aesthetic reasons, they give no signals. It's rather like being surrounded by walking, talking, dead men"
| Episode Title | Premiere Date |
| Episode 1 | 29/01/1977 |
| Episode 2 | 05/02/1977 |
| Episode 3 | 12/02/1977 |
| Episode 4 | 19/02/1977 |
The TARDIS, carrying the Doctor and his new companion Leela, arrives aboard a huge sandminer on a deserted world. The small human crew relies almost entirely on robots to carry out their every task and whim while they mine the planet's rich minerals. Suddenly, one by one, members of the team start to disappear. The time travelers discover that someone or something is murdering the crew — but, of course, nobody believes it could be the robots.
Cast & Crew
The Doctor: Tom Baker
Leela: Louise Jameson
Uvanov: Russell Hunter
Toos: Pamela Salem
Dask / Taren Capel: David Bailie
Borg: Brian Croucher
Poul: David Collings
Zilda: Tania Rogers
D84: Gregory de Polnay
SV7: Miles Fothergill
Producer: Philip Hinchcliffe
Director: Michael Briant
Scriptwriter: Chris Boucher
