"The Ghost in the Invisible Bikini" is a 1966 comedy film that combines elements of horror and beach party genres. The story follows a young woman named Bobby who, after her death, returns as a ghost to help her boyfriend, Steve, navigate a series of comedic misadventures at a beach resort. The film features a mix of live-action and musical numbers, typical of the era's beach films. It includes appearances by popular actors such as Boris Karloff and Debbie Watson, and showcases the vibrant culture of the 1960s, complete with colorful costumes and catchy songs.