The joke's on absent-minded scientist Wayne Szalinski when his troublesome invention shrinks him, his brother and their wives so effectively that their children think they've completely disappeared. Of course, this gives the kids free rein to do anything they want, … Rick Moranis, Bug Hall, Allison Mack, Robin Bartlett, Stuart Pankin, Eve Gordon, Mila Kunis Added on Disney 2020-12-13. Youtube Trailer