The Simpsons season 7 episode 24
Episode title: Homerpalooza
To show his kids how hip he is, Homer takes Bart and Lisa to a music festival, where he earns himself a place in the sideshow by catching a cannonball with his belly.
To show his kids how hip he is, Homer takes Bart and Lisa to a music festival, where he earns himself a place in the sideshow by catching a cannonball with his belly.