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694 Episodio
Doctor Who - Season 4 Episode 18 Episodio 18
Ben manages to join up with the Doctor, Polly and Kirsty and together they work to free the Highlanders from Trask's ship before Grey sells them into slavery.
- 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, C. E. Webber, Donald Wilson
- Emitir: Sylvester McCoy, Sophie Aldred