Overview
Arriving on Space Station Nerva in its distant past, the Doctor, Sarah and Harry find its crew threatened by a mysterious plague. Discovering that things are not as they seem, they uncover a Cyberman plot to destroy Voga, planet of gold.
DirectorMichael E. Briant
ProducersPhilip Hinchcliffe
WritersGerry Davis, Robert Holmes
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Details
LanguageEnglish
Production companiesBBC
