Overview: After the Shalka unleash their plan to destroy Earth's atmosphere, the Doctor and Alison must find a way to defeat them and save humanity.
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First Air Date: Nov 13, 2003Last Air date: Dec 18, 2003Season: 1 SeasonEpisode: 6 EpisodeRuntime: 15 minutesQuality: HDIMDb: 6.60 / 10 by 7 usersPopularity: 3.467Language: English