The Simpsons (1989): Season 17, Episode 11

17 - 11: We're on the Road to D'oh-where

After Bart steals a key from Principal Skinner's office and gets himself into hot water, Marge and Homer send him to a "behavior modification camp." Homer is forced to cancel his much-anticipated trip to Las Vegas in order to drive Bart to the camp, but on the way there, Homer decides it's a great time to bond with Bart. Blackboard: 'Teacher was not dumped--it was mutual'.