The Simpsons: 10 Things You Didn't Know About Season 2

10. Enter The Treehouse

On 25th October 1990, viewers were treated to a very different episode of The Simpsons.

Real life through a yellow-lens was replaced with three flights of fearful fancy as the very first Hallowe'en special of the show spooked up the airwaves.

The episode - simply entitled "Treehouse of Horror" - is well-known to fans of the show, but its origins may not be.

The special was inspired by EC Comics, best known for their Tales From The Crypt series. The idea of this homage was described by current-showrunner, Al Jean, as "really original and kind of shocking for a cartoon on network television", which is funny when you look at what cartoons produce for their regular episodes these days.

"Treehouse of Horror" is full of brilliant little tidbits.

Aliens, Kang and Kodos, take their names from characters in Star Trek.

James Earl Jones (who you'll remember from the Season One list was almost the voice of Sideshow Bob) narrated "The Raven" segment and provided the voice for one of the aliens.

Alf Clausen, the man responsible for most of the music you will recognise from The Simpsons, worked on the show for the very first time in this episode.

This is a fascinating episode from a historical standpoint and the segments still hold up thirty years after they first aired.