About The Simpsons (1989) Season 4, Episode 22 : Krusty Gets Kancelled

Johnny Carson, Bette Midler, Luke Perry, Hugh Hefner and the Red Hot Chili Peppers help Krusty when his show is canceled after a new star causes his ratings to plummet. Blackboard: 'I will not charge admission to the bathroom'. Guest Stars: Luke Perry, Hugh Hefner, Bette Midler, Johnny Carson, Barry White, Anthony Kiedis, Flea, Chad Smith, Arik Marshall, Elizabeth Taylor, Marcia Wallace,