Overview: A murder at an observatory alerts Sloane to a plot to divert a huge comet toward North America.
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First Air Date: Sep 22, 1979Last Air date: Dec 22, 1979Season: 1 SeasonEpisode: 12 EpisodeRuntime: 60 minutesQuality: HDIMDb: 5.00 / 10 by 4 usersPopularity: 9.799Language: English