A college professor invents an anti-gravity substance which a corrupt businessman wants for himself.
When Professor Brainard experiments further on Flubber derivatives, he gets in trouble and only his students can help.
Brilliant but befuddled Professor Phillip Brainard is on the brink of inventing a revolutionary energy source...and missing his wedding to Dr. Sara Jean Reynolds, president of financially challenged Medfield College, for the third time. When Phillip experiments with his own theory, he instead creates Flubber, a miraculous elastic goo. Phillip and Weebo, his flying cyber sidekick soon discover that when Flubber is applied to anything, it can bounce super high and fast. But is Flubber good enough to win back Sara and save Medfield from its financial problems?