Nothing can stop The Simpsons from airing its annual “Treehouse Of Horror” episode. Since the show first broke out of its slot as a time-filler on The Tracey Ullman Show and became a stand ...

Not so with the Simpsons. They've been making their Treehouse of Horror specials for 27 years now, an annual trilogy of tales that satire horror movies, surreal TV, and even classic literature.