The Fight Before Christmas
The Simpsons: Season 22, Episode 8
Four wittily woven tales that, like egg nog with lashings of brandy, are sweet and sharp in equal measure. Pop princess Katy Perry guest stars.
Show: The Simpsons
Air date: December 5, 2010
Written by: Dan Castellaneta and Deb Lacusta
Season number: 22
Directors: Matthew Schofield and Bob Anderson
Episode no: Season 22; Episode 8