All About Lisa
The Simpsons Season 19 Episode 20 (05/11/08)
Lisa becomes Krusty the Clown's new assistant and steals his spotlight. She soon gets her own show and wins Entertainer of the Year at the Springfield Media Awards, but realizes that she may not be cut out for showbusiness after all. Meanwhile, Bart and Homer start coin-collecting and go after a rare 1917 coin known as "The Kissing Lincolns" penny.