'The Simpsons' season 13 (2001-2002)

Phish (music group)The Simpsons (tv program)Paul NewmanConan O'BrienMatt Groening
In Springfield: Homer gets a medical marijuana prescription, Matt Groening becomes the second "Simpsons" creator to appear as himself on the show (after Conan O'Brien). Beyond Springfield: September 11 attacks, Enron files for bankruptcy, U.S. invades Afghanistan. Notable guests: Robert Pinsky,... Fox