God contacts Junior Congressman Evan Baxter and tells him to build an ark in preparation for a great flood.

Everyone has 'moved on', except for Sherman and Jim Levenstein's still understanding father. Little Matt Stiffler wants to join his older brother Steve's business and, after everything Matt has heard from Jim's band-geek wife, he plans to go back to band camp and make a video of his own.

When Erik Stifler realizes that he's the only Stifler family member who might graduate high school a virgin, he decides to live up to his legacy. After some well-meaning advice from Jim's dad, Erik's ready to take his chances at the annual and infamous Naked Mile race, where his devoted friends and some uninhibited sorority girls will ...

Erik, Ryan, and Cooze start college and pledge the Beta House fraternity, presided over by none other than legendary Dwight Stifler. But chaos ensues when a fraternity of geeks threatens to stop the debauchery and the Betas have to make a stand for their right to party.

The offspring of sportsman canine Air Bud: B-Dawg, Mudbud, Budderball, Buddha, and Rosebud, uncover a kidnapping plot motivated by a little rich boy's desire to have the world's most athletic dog as a pet.