Like The Outer Limits episode “Soldier,” Cyborg 2087 heavily influenced (or was plagiarised by) The Terminator.
The film follows Garth A7 (Michael Rennie, The Day The Earth Stood Still), a cyborg from the future world of 2087, who travels back in time to 1966 to prevent Professor Sigmund Marx (Eduard Franz) from revealing his new discovery, an idea that will make mind control possible and create a tyranny in Garth’s time. He is pursued by two “Tracers” (also cyborgs) out to stop him.
Garth enlists the help of Dr. Sharon Mason (Karen Steele), Marx’s assistant. He gets her to summon her friend, medical doctor Zeller (Warren Stevens) to operate on him to remove a homing device used by the Tracers to track him. The local sheriff (Wendell Corey) also becomes involved.
Garth defeats the Tracers and convinces Professor Marx to keep his discovery secret. Then, with his future wiped out as a result, Garth ceases to exist; the people who helped him do not even remember him.