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, unaware that their parents are watching every move.
Two losers from Milwaukee, Coop and Remer, invent a new game combining basketball with the rules of baseball. When the game becomes a huge success, they, along with a billionaire's help, form the Professional Baseketball League where everyone gets the same pay and no team can change cities. When a rival owner wants to institute major rule changes, Coop and Remer's team is the only one standing in the way.
A hot-shot architect returns home from his latest business trip with a surprise: an ornate old clock rescued out of a soon-to-be-demolished mansion in Amityville, New York, that brings about a seemingly unstoppable demonic force.
