"Prehistoric Super Salesman" is the 172nd animated cartoon short subject in the Woody Woodpecker series. Released theatrically in 1969, the film was produced by Walter Lantz Productions and distributed by Universal International.
A mad scientist, named Prof. Grossenfibber, has invented a time tunnel. Woody Woodpecker, a knick-knack salesman, initially pesters the scientist, who kicks him out. But when the Prof. needs a test subject, he quickly invites Woody back, and promptly sends him to the stone age with the machine. While there, Woody manages to peddle some of his objects to a dinosaur and a caveman, but will he ever get back?