Cowabunga! The surfing '60s ride into the new wave as Frankie and Annette star in this hip update of their old-time, good-time beach movies. With special appearances by Bob Denver, Tony Dow, Pee-Wee Herman, Jerry Mathers and other familiar faces. Frankie and Annette grow up and have kids in the midwest. They return to LA to visit their...

In the fourth of the highly successful Frankie and Annette beach party movies, a motorcycle gang led by Eric Von Zipper kidnaps singing star Sugar Kane managed by Bullets, who hires sky-diving surfers Steve and Bonnie from Big Drop for a publicity stunt. With the usual gang of kids and a mermaid named Lorelei.

Anthropology Professor Robert Orwell Sutwell and his secretary Marianne are studying the sex habits of teenagers. The surfing teens led by Frankie and Dee Dee don't have much sex but they sing, battle the motorcycle rats and mice led by Eric Von Zipper and dance to Dick Dale and the Del Tones.

Local beach-goers find that their beach has been taken over by a businessman training a stable of body builders.

A millionaire sets out to prove his theory that his pet chimpanzee is as intelligent as the teenagers who hang out on the local beach, where he is intending to build a retirement home.