The luxurious villa of Mark and Jessie Bannister, a yuppie couple, is overrun by loads of uninvited guests who turn the house up side down.

An accident-prone and obnoxious geek joins a NASA space mission to Mars. During the flight, he manages to put himself and the entire crew in jeopardy, but is in danger of emerging as a hero when his new colleagues need him to save them from the unforgiving surface of the red planet.

When a crass new-money tycoon's membership application is turned down at a snooty country club, he retaliates by buying the club and turning it into a tacky amusement park.

An incredibly dull-witted family unknowingly stumble upon an illegal weapons deal while on the trail of their "stolen" garbage.