Monkey Business

1h 37m · 1952 · Directed by Howard Hawks · 3.5 / 5 on Letterboxd

Monkey Business (1952) runs 1h 37m, directed by Howard Hawks. It is one of 3,647 films in the 100 Minute Movies catalog — every one rated 3.0 or higher by Letterboxd members and short enough to finish in an evening.

Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.

Genres: Comedy, Science Fiction

No US streaming listed when we last checked (9 July 2026). Availability changes often.