KAOS has invented a weather machine so Maxwell Smart and Agent 99 are called back into action to foil this evil plan.

A young alien falls for a pretty teenage Earth girl and they team up to try to stop the plans of his invading cohorts, who intend to use Earth as a food-breeding ground for giant lobsters from their planet.

A man pursues stand-up comedy encouraged by his fellow garbage man. Though his friend, who accompanies him on accordion, continues to tell him how great he is, he actually stinks. When the "comedian" grows a third arm out of his back, the friend uses this twist to get him signed up with a sleazy talent agent, and it begins to look like his career is on the move, even though his girlfriend has left him.

A college student joins a group of revolutionaries to meet girls but ends up committed to their goals.

Two detectives investigate the murder of a local businessman by a mysterious woman.

Two identical twins, separated since infancy, meet after 30 years causing a series of mistaken identity and crisis for all involved.

Ellen Gordon, a New York executive's mistress falls for the executive's young business associate when the young man is accidentally sent to use the apartment where the executive and his mistress get together every Wednesday. More complications arise when the executive's wife shows up with plans to redecorate the apartment.

A confused teenager discovers a stack of tapes recorded years earlier by her dying mother.

Ben, Edna and their baby daughter are headed to California when their car breaks down. Ben ventures off to the junkyard in search of a spare part to fix his car. Coincidentally, Harry (the seedy junkyard owner) has just been accused by the police of selling stolen auto parts, and claims that he gets his cars from someone else. Ben wanders into the junkyard just in time for Harry to frame him and use him as a scapegoat. When Ben doesn't return after quite a while, Edna goes looking for him. She is then chased around the junkyard by Harry's odd, dim-witted friend Blowhard.

A couple who both work at wedding receptions encounter complications when they decide to marry.