The Simpsons

Loan-a-Lisa

Aired Oct 3, 2010 · 8:00 PM ET · 25 min

Lisa invests in Nelson's brand-new business venture, but soon realizes that her friend's instant success might lure him away from the classroom. Worried that his judgment might be clouded, Lisa introduces Nelson to the well-educated and successful creator of Facebook, Mark Zuckerberg, only to find out that he too dropped out of school.