“Little Girl in the Big Ten” is the twentieth episode of Season 13. It first aired on May 12, 2002. The episode was written by Jon Vitti and directed by Lauren MacMullan. Robert Pinsky guest stars as himself.
In order to avoid a failing grade in gym, Lisa takes up gymnastics, which she uses to pose as a college student. Meanwhile, Bart is diagnosed with “Panda” virus and is forced to spend a week living in a plastic bubble.