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Exclusive Simpsons Scoop: Get All the Details on Season 24’s Treehouse of Horror!

Black holes, Back to the Future, demonic possession and the end of the world await Simpsons fans in the upcoming season’s “Treehouse of Horror XXIII” episode.

This year’s installment of the annual Halloween-adjacent special will air on Sunday, Oct. 7, executive producer Al Jean tells TVLine exclusively. And it’s shaping up to be scary good.

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First up, The Simpsons’ Marty McFly act. “Bart goes back and prevents Marge and Homer from ever getting married, and we see what happens next,” says the showrunner. (For what it’s worth, Jon Lovitz – who voices Marge’s high school paramour Artie Ziff, among other characters – is involved.)

Another segment is “a found-footage parody” – in the vein of Paranormal Activity —  “where something really strange is going on in the Simpson house,” he adds.

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Also on tap: “We have a segment where a mini black hole terrorizes Springfield and starts sucking everything in, and it’s to tie into the discovery this summer of the Higgs boson,” he says, referring to the so-called “God particle.” (Attendees at this year’s San Diego Comic-Con were treated to a sneak peek of this part of the ep.)

Finally, Jean adds, “We also deal a little with the Mayan prophecy of the world ending this year.” Makes sense: If there’s anyone who’s likely to bring about the end of days, it’s Homer J. Simpson.