This category is for articles about characters that have some sort of relationship to Halloween: Creatures which originate on planets other than Earth. It also consists articles for alien merchandise and movies, TV shows, TV episodes, books, games, etc. that aliens have appeared in.
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The Simpsons: Treehouse of Horror XXVIII -
Kang and Kodos -
The Simpsons: Treehouse of Horror III -
Alien -
E.T. the Extra-Terrestrial -
The War of the Worlds -
Without Warning -
Escape to Witch Mountain
All items (61)
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Scooby-Doo and the Ghoul School
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The Simpsons: Halloween of Horror
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The Simpsons: Treehouse of Horror
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The Simpsons: Treehouse of Horror II
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The Simpsons: Treehouse of Horror III
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The Simpsons: Treehouse of Horror IV
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The Simpsons: Treehouse of Horror V
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The Simpsons: Treehouse of Horror VII
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The Simpsons: Treehouse of Horror VIII
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The Simpsons: Treehouse of Horror IX
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The Simpsons: Treehouse of Horror XI
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The Simpsons: Treehouse of Horror XIV
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The Simpsons: Treehouse of Horror XV
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The Simpsons: Treehouse of Horror XVI
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The Simpsons: Treehouse of Horror XVIII
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The Simpsons: Treehouse of Horror XIX
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The Simpsons: Treehouse of Horror XX
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The Simpsons: Treehouse of Horror XXII
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The Simpsons: Treehouse of Horror XXV
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The Simpsons: Treehouse of Horror XXVII
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The Simpsons: Treehouse of Horror XXVIII
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The Simpsons: Treehouse of Horror XXX
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