"The Last Temptation of Krust" is the fifteenth episode of The Simpsons' ninth season. It first aired on the Fox network in the United States on February 22, 1998. It was written by Donick Cary and directed by Mike B. Anderson. Comedian Jay Leno makes a guest appearance. In the episode, Bart convinces Krusty the Clown to appear at a comedy festival organized by Jay Leno, but Krusty's old material does not go over well with the audience and he receives bad reviews. He briefly retires from comedy but returns with a new, more well received gimmick. He soon returns to his old ways, selling out to a motor-vehicle company.