Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he has to find out what top terrorist, Rocco, has planned for when he escapes. Adding to his problems, Frank's wife, Jane, is desperate for a baby.

Nervous high school senior Tom Lawrence visits Port Chester University, where he gets a taste of politically correct college life when he's guided by fraternity wild man Droz and his housemates at The Pit. But Droz and his pals have rivals in nasty preppy Rand McPherson and the school's steely president. With their house threatened with expulsion, Droz and company decide to throw a raging party where the various factions will collide.

An alien spaceship is being sought by various factions on Earth. A female cyborg and a rogue trader team up to stop evil forces from taking over the ship.

A family is forced off their farm due to drought, and move to Sydney.