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When Bart is forced to assist Principal Skinner in early-morning astronomy observations, he discovers a giant comet heading towards Springfield. Facing impending doom, the entire town shows up at the Flanders family bomb shelter.
First Air Date : Dec 17, 1989
Last Air date : Apr 21, 2024
Episode : 769 Episode
Season : 36 Season
Runtime: 22:14 minutes
Studio: FOX
Country: United States of America