The Simpsons

Season 18, Episode 8

Episode Title: The Haw-Hawed Couple

Air Date: 2006-12-10

Overview:

When Bart ends up the only guest at Nelson's birthday party, the bully decides he's his best friend and goes about protecting Bart in a parody of "Goodfellas." Meanwhile, Homer reads Lisa to sleep and debates on whether to reveal the book's sad ending to her.