An astronaut (William Shatner) who orbited Venus returns and undergoes a transformation
An ultimate future soldier hunts an enemy into the present. With Lloyd Nolan, Michael Ansara. Written by Harlan Ellison.
Two women kill a blackmailer. While looking for a good place to bury him, they take refuge from a storm in a house containing mysterious, young inventor who is experimenting with "time-tilting."
The Army suspects the defection of an agent (Robert Duvall) sent to infiltrate the crew of a crippled alien ship.
A physicist works to destroy a cluster of particles threatening to destroy the universe.
Six city blocks are transported intact to an alien planet. With Sam Wanamaker, David Opatoshu.
An alien plans to use a gifted child to help it take over Earth.
A man (Nick Adams) and woman (Nancy Malone) battle an alien duo on a distant world to decide the fate of Earth.
Lovers decide whether to stay in a strange place and keep eternal youth or to return to their true ages.
A scientist mutated by rainfall on an alien world holds colleagues hostage and demands to return to Earth.
Lunar explorers risk attack if they don't surrender an alien ship.
Aliens choose amusement-park-ride passengers to travel into space and battle enemy forces.
Deadly white blossoms grown from alien spores overrun a spaceship.
An investigation reveals the link between the disappearances of four scientists born in a single county.
An ambitious woman pays dearly for destroying a creature captured by her husband in a laser experiment.
Invisible aliens fall to Earth and invade the bodies of influential humans to take control.