Bumbling professor Ned Brainard accidentally invents flying rubber, or "Flubber", an incredible material that gains energy every time it strikes a hard surface. It allows for the invention of shoes that can allow jumps of amazing heights and enables a … Fred MacMurray, Nancy Olson, Keenan Wynn, Tommy Kirk, Leon Ames, Elliott Reid, Edward Andrews Added on Disney 2022-04-12. Youtube Trailer