Part Four
Series Episode Number: 409World Premiere: Sat 18 Oct 1975 - 5:46pm BST [BBC One] (United Kingdom)
First Broadcast: Fri 4 Apr 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 23 minutes 43 seconds
10.10 Million (UK)
Appreciation Index: 54 (UK)Chart Position: 26 () (UK)
Recorded on Tue 15 Jul 1975 in TC3
Unable to escape, the Morestran probe is being pulled back to the surface of Zeta Minor. On board the ship, the Doctor and Sarah are hemmed in by anti-men!
| Characters include uncredited | ||
|---|---|---|
| Doctor Who |  | Tom Baker |
| Sarah Jane Smith |  | Elisabeth Sladen |
| Sorenson |  | Frederick Jaeger |
| Vishinsky |  | Ewen Solon |
| Salamar |  | Prentis Hancock |
| Reig |  | Melvyn Bedford |
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