Poll: Which is the Greatest Treehouse of Horror?

Via: Simpsons.wikia.com

Almost everyone who’s a fan of the Simpsons appreciates the annual Treehouse of Horror episodes that are broadcast around Halloween. They’re a delightfully welcome intrusion of silly nonsense into the otherwise (or rather, formerly) realistic universe that the Simpsons live in.

While some are better than others, these four represent the truly best episodes. Which do you think is the best?

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