The "Beach Party" gang is back in a double bill that's packed with more fun than a two-piece bathing suit. "Beach Blanket Bingo," a wild mix about a missing singing star, a mermaid, and biker Eric Von Zipper's gang, features guest stars Don Rickles,Paul Lynde, Buster Keaton, and Linda Evans joining series regulars Annette Funicello, Frankie Avalon and Harvey Lembeck. Then, while Frankie is away on Army Reserve duty, he gets witch doctor Keaton to send a bikini-clad beauty to keep rival Dwayne Hickman away from Annette, in "How to Stuff a Wild Bikini." Beverly Adams, Mickey Rooney, and The Kingsmen also star. 190 min. total. Widescreen; Soundtrack: English Dolby Digital mono; Subtitles: French, Spanish; theatrical trailers.