Simpsons Season 9, Episode 15: The Last Temptation of Krust

After learning that his joke is out dated and offensive at a comedy benefit show, Krusty does some heavy drinking and wakes up in front of the Flanders' house. Bart takes him inside his house and into his room, where Krusty, looking at all the Krusty merchandise, realizes that he has sold out instead of focusing on comedy