Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he is to find out what top terrorist, Rocco, has planned for when he escapes. Frank’s wife, Jane, is desperate for a baby.. this adds to Frank’s problems. A host of celebrities at the Academy awards ceremony are humiliated by Frank as he blunders his way trying to foil Rocco.
After being driven to extinction, great bloodthirsty dinosaurs come back to life with the assistance of a demented genetic scientist. She plans to replace the human race with a super-race of dinosaurs who will not pollute the planet.