From (Season 4 Episode 6) "Itchy & Scratchy: The Movie"
At Springfield Elementary's Parent Teacher night, Mrs. Krabappel tells Homer and Marge about Bart's behavior. Wanting Bart to one day become Chief Justice of the Supreme Court, Homer decides to punish Bart. However, he never makes his punishments stick and Bart continues on his destructive path. Marge confronts Homer and he agrees that next time he will make his punishment stick. Meanwhile, Bart finds out that Itchy & Scratchy: The Movie is about to hit theaters and immediately buys a ticket. However, when Bart one day forgets to watch Maggie, Homer bans Bart from ever seeing the movie. Bart tries everything to see the movie, but Homer refuses to budge and after the movie closes, Homer declares that one day Bart will thank him. In a flashforward forty years into the future, Homer and Bart, now Chief Justice of the Supreme Court, decide to watch the movie together
