Krusty the Clown as Pennywise, Stephen King’s evil character from “It,” has become a popular tattoo image. Now, it will become part of “The Simpsons” canon. One of this fall’s two “Treehouse of Horror ...

…or Mike Nichols’ not-so-classic The Day of the Dolphin. Last year’s “Treehouse of Horror XXXV” was no exception, it featured comedic riffs on both Pacific Rim and the Tom Hardy blockbuster Venom. But ...

This list only includes episode-length parodies, which eliminates the many excellent "Treehouse of Horror" parody segments like "The Shinning" (which would've otherwise deserved to be listed here). So ...