Heck No Pooh's Adventures
RSSNot only does the Queen want to kill Homer, Bart, Lisa and Milhouse, but so does Principal Skinner, the other adults at Springfield Elementary (except for Groundskeeper Willie, who tries to save Bart and the others but gets killed by Skinner), Ned Flanders and his dogs. Also, for no reason, Sylvester appears in two scenes.
About Heck No Pooh's Adventures
Pooh's Adventures. A meme that sounds quite regular for a strange mind at first, but when you find out that they have plans for a family-friendly "Pooh's Adventures of Avatar", then everything is ruined.
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Join me as I take on the worst and most bizarre of these fan-created crossovers, watching as much as I can and browsing the wiki to see what other ideas they have up their sleeves (and won't bother to complete).