How to Stuff a Wild Bikini is a 1965 Pathécolor beach party film from American International Pictures. 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. It was written by Asher and Leo Townsend. The film features a brief appearance by Frankie Avalon and includes Buster Keaton in one of his last roles.