Professor Ned Brainard's discovery of flubber has led to unexpected consequences, with the Pentagon classifying it as top secret and the IRS imposing a significant tax bill. Seeking a solution, he turns to flubbergas, a new discovery that can manipulate the weather, and also helps Medfield College's football team achieve a remarkable win.

Son of Flubber
Professor Brainard's students join forces to rescue him after his reckless experimentation with Flubber derivatives puts him in a precarious situation.