And it was Bart himself, in 2007’s Treehouse of Horror XVIII, who famously said, “Trick or treat isn’t just some phrase you chant like the Lord’s Prayer. It’s an oral contract.” ...

After all, that was the very first "Treehouse of Horror," the annual triptych of horror-themed tales that continues to be a staple of every Simpsons season to this day. And over the decades, the ...

The Treehouse of Horror specials are often the most looked forward to of any new episode of a particular season of The Simpsons, and it’s definitely the case with the now running Season 35 of ...

Nearly a quarter-century ago, on Oct. 25, 1990, The Simpsons debuted its most consistently funny regular event — the annual Treehouse of Horror Halloween special.

B art Simpson’s Dracula (Season 5, “Treehouse of Horror IV”) A screenshot from The Simpsons shows Mr. Burns as Dracula.

In Freaks No Geeks, strongman Homer’s plan for becoming the star of a 1930s travelling circus goes terrifyingly awry in the all-new Treehouse of Horror XXIV, airing Sunday, Oct. 6, 2013.

Since the idea of "Treehouse of Horror" was still fresh, The Simpsons decided to put these fantastical stories into context. As such, here Homer, Bart, and Lisa all eat too much candy and then ...

This Sunday, FOX will air The Simpsons: "Treehouse of Horror XXI." While the "Treehouse" episodes have rarely actually aired on or before Halloween for years (Since 2000, FOX's airing of the World ...

2. The Island Of Dr. Hibbert In a parody of the Island of Dr. Moreau - a true classic for those of you who are unaware - the Simpsons take a well-deserved vacation to an island shaped like a skull.

Famous clips from horror flicks The Exorcist, The Amityville Horror, Psycho, and The Fly are also given the Simpsons treatment. Treehouse Of Horror can be seen on Wednesday 1 May at 19.00 on Sky One.

The Simpsons first Treehouse of Horror episode aired way back in 1990 during the show’s second season, and every Halloween since Fox has scared up a new one. This year will be number XXXV.