"Halloween Spectacular of Spooky Doom"
"Bestest Friend"
They weren't bunnies, they were Gigglepies & they were the "special surprise inside" boxes of Invader O's.The episode this happens in is So Totally Spaced Out
There was a Christmas special called Shrek the Halls and a Halloween special called Scared Shrekless.
http://en.wikipedia.org/wiki/List_of_Invader_Zim_episodes
The 39th , un-aired , episode's title : "Season 2 Finale Part 1" .
The first Halloween special for "The Simpsons" aired in 1990. The shows are referred to "Treehouse of Horror". The very first was called "The Simpsons Halloween Special".
I think it was called Halloween.
It's called "Cake Fear"
It is called "The First Secret."
disgusting episode
Simpsons Goes Halloween on Transformers
"Bungholio: Lord of the Harvest (Butt-O-Ween)