Crab Nebula
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Crab Nebula
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Location Information
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Crab Nebula is a planet home of Xylem, Phloem and Herb Tannenbaum. The planet is incorrectly called Crab Nebula by humans.
History
Spores are sent from the alien's home planet, and switch the Springfielders with copies of themself.
Appearances
THOH – "Treehouse of Horror XXIX" (Invasion of the Pod-Y Switchers)
