Continuity mistake: The police that come to the aid of the professor are driving an older Ford when they approach than when they arrive to help. The car is a newer model in the later scene.
The Absent Minded Professor (1961)
1 mistake
Directed by: Robert Stevenson
Starring: Fred MacMurray, Keenan Wynn, Tommy Kirk, Nancy Olson
Prof. Ned Brainard: Let's see, flying rubber... Flubber.