When a comet passes close to the earth, machines all over the world come alive and go on homicidal rampages. A group of people at a desolate truck stop are held hostage by a gang of homicidal 18-wheelers. The frightened people set out to defeat the killer machines ... or be killed by them.

A team of troubleshooters is called to a skyscraper where a plane has crashed into the 20th floor and is stuck in the side of the building.

Rancher Cole Hillman is fed up of rabbits plaguing his fields. Zoologist Roy Bennett conducts an experiment to curb their population, but it gives rise to giant rabbits that terrorise the town.

The 4077th Mobile Army Surgical Hospital is stuck in the middle of the Korean war. With little help from the circumstances they find themselves in, they are forced to make their own fun. Fond of practical jokes and revenge, the doctors, nurses, administrators, and soldiers often find ways of making wartime life bearable.

An alcoholic drifter decides to run for sheriff in a small town. However, in order to get elected, he must find out who killed a visiting preacher.

An adventurous young gambler searches for the owner of a mysterious fortune.