Overview:The Atlantis base is threatened when the team discovers that an alien entity is in the city. McKay's experiment with alien technology goes awry.
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First Air Date: Jul 15, 2004Last Air date: Jan 08, 2009Season: 5 SeasonEpisode: 100 EpisodeRuntime: 45:60 minutesQuality: HDIMDb: 2.995 / 10 by 984 usersPopularity: 229.836Language: en
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