After his auto-parts tycoon father dies, the overweight, underachieving son teams up with a snide accountant to try and save the family business.

A message from Jim Morrison in a dream prompts cable access TV stars Wayne and Garth to put on a rock concert, "Waynestock," with Aerosmith as headliners. But amid the preparations, Wayne frets that a record producer is putting the moves on his girlfriend, Cassandra, while Garth handles the advances of mega-babe Honey Hornee.

The adventures of two amiably aimless metal-head friends, Wayne and Garth. From Wayne's basement, the pair broadcast a talk-show called "Wayne's World" on local public access television. The show comes to the attention of a sleazy network executive who wants to produce a big-budget version of "Wayne's World"—and he also wants Wayne's girlfriend, a rock singer named Cassandra. Wayne and Garth have to battle the executive not only to save their show, but also Cassandra.

The original 70s TV family is now placed in the 1990s, where they're even more square and out of place than ever.

The inseparable duo try to organize a rock concert while Wayne must fend off a record producer who has an eye for his girlfriend.