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694 Episodio
Doctor Who - Season 7 Episode 12 Episodio 12
While the Brigadier investigates a loss of contact with Mars Probe 7, the Doctor realises signals coming from the probe are of extra-terrestrial origin.
- Año: 1989
- País: United Kingdom
- Género: Drama, Action & Adventure, Sci-Fi & Fantasy
- Estudio: BBC One, BBC Television
- Palabra clave: time travel, space, alien
- Director: Verity Lambert, Sydney Newman, Donald Wilson, C. E. Webber
- Emitir: Sylvester McCoy, Sophie Aldred