They'd make one Halloween special in their first season and then repeat it every year after that. Not so with the Simpsons. They've been making their Treehouse of Horror specials for 27 years now ...

Created by Jay Kogen and Wallace Wolodarsky, the alien characters made their debut on the Halloween episode "Treehouse of Horror," and have appeared in every "Treehouse of Horror" episode since ...

The Simpsons' Treehouse of Horror has been a Halloween staple for more than three decades. The first installment paid perfect ...