Treehouse of Horror XXX

"Treehouse of Horror XXX" is the fourth episode of the thirty-first season of the American animated television series The Simpsons, and the 666th episode overall as well as the thirtieth Treehouse of Horror episode, consisting of an opening sequence parodying The Omen and three self-contained segments: "Danger Things" (a parody of Stranger Things season 1), "Heaven Swipes Right" (a parody of Heaven Can Wait), and "When Hairy Met Slimy" (a parody of The Shape of Water). It aired in the United States on Fox on October 20, 2019. The episode was written by J. Stewart Burns, and was directed by Timothy Bailey.

In this episode, Lisa tries to retrieve Milhouse from another dimension, Homer dies and returns in another body, and Selma falls in love with Kang. The episode received mixed reviews.