The Simpsons annual Halloween special Treehouse of Horror is as iconic as the beloved animated series itself. With a trio of tales, often parodying famous horror movies, it's a television holiday event that has no equal. People may watch the New Year's Eve ball drop out of obligation, but Treehouse of Horror is a passion.
Source：https://www.cbr.com/best-movies-parodied-simpsons-treehouse-of-horror/
