Lovable loser Walter Clydepepper eats an alien from outer space in his cereal and becomes a deadly stand up comic.

Song writer Mark Devereaux accidentally calls millions of green Martians to invade Earth. No they aren't dangerous, just wise-cracking, intrusive, pain in neck, annoyances. No one can escape their distracting influence. It's up to Mark to figure out how they got here, and most importantly, how to get rid of them before they drive everyone crazy!

Three women start a lunch wagon business but run into stiff resistance from a competitor.

A frigid rich couple swap identities with their maid and butler and play out their fantasies.

A Vietnam vet, Jud Carney. returns to Los Angeles at Christmas time, finds out it's not how he thought it was going to be. When Jud discovers his fiancee has left him, he moves into a boarding house peopled with "types." Flashback memories of the war and the suicide of fellow house resident, reduce Jud to a broken and bitter man.