The sixth entry in a seven-film series, the movie was directed by William Asher and features Mickey Rooney, Annette Funicello, Dwayne Hickman, Brian Donlevy, and Beverly Adams.

Upon Cassandra's arrival, the beach turns upside down, as all the surfers fall for her, an executive wants to make her a model, and Eric Von Zipper and his motorcycle gang add to the trouble.

How to Stuff a Wild Bikini was the last "beach party" film to feature Frankie Avalon and Annette Funicello.

Tommy Kirk was originally announced as the male lead,[5] but shortly before filming, he was arrested for possession of marijuana, so he was dropped and replaced by Hickman.

Mickey Rooney agreed to play a supporting role at $5,000 for one week's work to pay off some tax debts.

[8] Funicello was pregnant during shooting and was shot mostly wearing blousy tunics or with a prop in front of her (e.g., a bowl of popcorn, a bucket of Kentucky Fried Chicken).

"[11] Elizabeth Montgomery, who at the time was married to the film's director, William Asher, made a cameo appearance in the closing scenes as the witch doctor's daughter, a woman with her own magical powers.

"[14] Filmink argued the movie " has become legendary in its way, mostly due to its title, some hilariously obvious KFC product placement, and the fact that Annette Funicello is so clearly pregnant.