Aside from its principal characters existing on a floating timeline and having yellow skin, the long-running animated series “The Simpsons” is typically grounded in reality. That is, the many situations that the titular family have found themselves in over the course of 33 seasons have largely been plausible and relatable. Every Halloween, however, reality and continuity are totally ignored as the team behind the show mark the holiday by airing their annual “Treehouse of Horror” episode.
Check out our photo gallery detailing the extensive history of this great annual tradition from its starting point in 1990 to the latest entry, which premiered on FOX earlier this month. And find out how to watch “The Simpsons” “Treehouse of Horror” episodes in order.