Review: ‘The Simpsons: Treehouse of Horrors XXI’
Monday, October 25 by

“The Simpsons” Halloween episodes, or “Treehouse of Horrors” are an annual tradition. Three spoofs of popular horror stories let the writers and artists cram thrice as many jokes into a single episode. They often air after Halloween, so even though Halloween is actually on a Sunday this year, this is airing November 7.
More after the jump…