Delos is a futuristic amusement park that features themed worlds populated by human-like androids. After two patrons have a run-in with a menacing gunslinger in West World, the androids at Delos all begin to malfunction, causing havoc throughout the park.

A cavalry unit rides into a Comanche trap. If the patrol leaders cannot find a way out, they will all surely perish.

Comanche Creek, Colorado, 1875: Prisoner Jack Mason is broken out of jail by a gang of strangers. They use him in a robbery, then when the dead-or-alive reward is high enough, they shoot him and collect. The National Detective Agency, now knowing the gang's methods, arranges to have agent Bob Gifford jailed in Comanche Creek for train robbery. The gang takes the bait (not before Gifford catches the eye of lovely saloon-keeper Abbie). But how will the bait get off the hook?

An ex-lawman is hired to transport gold from a mining community through dangerous territory. But what he doesn't realize is that his partner and old friend is plotting to double-cross him.

Pat Garrett is hired as a lawman on behalf of a group of wealthy New Mexico cattle barons to bring down his old friend Billy the Kid.

Stock car racer Tommy Callahan is forced to join Pete Madsen's thrill circus after his blackouts cause a fatal accident that gets him thrown off the circuit.

A top-secret Soviet spy satellite -- using stolen Western technology -- malfunctions and then goes into a descent that lands it near an isolated Arctic research encampment called Ice Station Zebra, belonging to the British, which starts sending out distress signals before falling silent. The atomic submarine Tigerfish, commanded by Cmdr. James Ferraday (Rock Hudson), is dispatched to save them.