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Monkey Business is a 1952 screwball comedy starring Ginger Rogers and Cary Grant. The film follows the misadventures of a group of scientists who develop a youth serum that accidentally turns them into teenagers. Rogers plays Lois Laurel, a chemist who falls in love with Grant's character, Professor Barnaby Fulton. The film is known for its witty dialogue, slapstick humor, and memorable performances by Rogers and Grant.