
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.

as Barnaby Fulton

as Edwina Fulton

as Oliver Oxley

as Lois Laurel

as Hank Entwhistle

as Jerome Kitzel

as Dr. Zoldeck

as GJ Culverly

as Dr. Brunner

as Mrs. Rhinelander

as Little Indian

as Oxley Receptionist (uncredited)

as Reporter (uncredited)

as Man at Pool (uncredited)

as Student (uncredited)

as Scientist (uncredited)

as Dowager (uncredited)

as Club Patron (uncredited)

as Johnny's Mother (uncredited)

as Scientist (uncredited)

as Girl (uncredited)

as Boy (uncredited)

as Policeman (uncredited)

as House Painter (uncredited)

as Mr. Peabody (uncredited)

as Mrs. Brannigan (uncredited)

as Boy (uncredited)

as Cabbie (uncredited)

as Narrator (voice) (uncredited)

as Club Patron (uncredited)

as Club Patron (uncredited)

as Boy (uncredited)

as Boy (uncredited)

as Boy (uncredited)

as Gus (uncredited)

as Board Member (uncredited)

as Photographer (uncredited)

as Bellboy (uncredited)

as Barber (uncredited)

as Johnny (uncredited)

as Johnny (uncredited)

as Policeman (uncredited)

as (uncredited)

as Boy (uncredited)

as Board Member (uncredited)

as Garage Man (uncredited)

as Scientist (uncredited)

as Clerk (uncredited)

as Boy (uncredited)

as Clothing Store Salesman (uncredited)

as Joe (uncredited)

as Pickwick Arms Clerk (uncredited)

as Yale Man (uncredited)

as Laundress (uncredited)

as Board Member (uncredited)

as Laundress (uncredited)