Dorothy and Toto return to Oz to find the Scarecrow ruling the Emerald City. Unfortunately for the new overseer, the wicked Mombi is conspiring to take over the city. With the help of the Tin Woodsman, the Cowardly Lion and other familiar friends, Dorothy sets out to save Oz.

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.