DramaActionAdventureScience FictionTV Movie

An energy drain traps the Third Doctor and Sarah Jane Smith on the planet Exxilon with its hostile natives, causing the travellers to make an uneasy alliance with a Marine Space Corps expedition and a squadron of Daleks. The key to escape for all of them lies at the heart of a powerful and mysterious lost city, but only after a series of deadly traps.

Credits

Jon PertweeThe Doctor

Elisabeth SladenSarah Jane Smith

Duncan LamontDan Galloway

John AbineriRichard Railton

Joy HarrisonJill Tarrant