Beleaguered professor Ned Brainard has already run into a pile of misfortunes with his discovery of the super-elastic substance 'Flubber.' Now he hopes to have better luck with a gravity-busting derivative he's dubbed 'Flubbergas.' Ned's experiments, constantly hampered by government obstruction, earn the consternation of his wife, Betsy. But a game-winning modification to a football uniform may help Ned make the case for his fantastic new invention.