Chemist Dr. Barnaby Fulton is developing a pill that will defy the aging process for the pharmaceutical company run by Oliver Oxley . When a loose chimpanzee mixes chemicals together that produce this effect, Fulton tries some on himself. This prompts him to act like a teenager, making passes at Oxley's buxom secretary, Lois . Soon everyone, including Fulton's wife, Edwina, is feeling the effects of the formula, with hilarious results.
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Trailer for: 'Monkey Business'