In trashy sci-fi/horror film Invasion of the Saucer Men, a teenage couple making out in the woods accidentally runs over an alien creature with their car. The creature's hand falls off, but it comes alive, and, with an eye growing out of it and begins to stalk the teens.

Invasion of the Saucer Men (1957)

During a flight to Mars in the spaceship Mars Gravity Probe 1, Commander Christopher 'Kit' Draper and Colonel Dan McReady are forced to deviate from an asteroid and they leave their spacecraft in pods. Draper lands on the surface of the Red Planet and survives. He learns how to produce oxygen and while exploring the planet, he finds McReady dead in his crashed pod. A lot more crazy happens, including aliens and other sci-fi tropes. Enjoy!

Robinson Crusoe on Mars (1964)

The Air Force investigates a white UFO in a California canyon with physicist Karl Sorensen. The object is impenetrable, but a half-invisible being visits the town, causing concern for Colonel about potential danger or military advantage.

The Cosmic Man (1959)

Trashy Classic Sci-Fi film ahead! UFOs are seen around Tokyo. Because they look like giant starfish the aliens cannot approach us without creating panic. Thus, one of them sacrifices itself and takes the form of a popular female singer. It/she warns mankind that a meteor will crash on Earth. 

Warning from Space (1956)

A large city is ordered to be completely evacuated as an army of robots, believed to be from the planet Venus, attack it.

Target Earth (1954)

Trashy Classic Sci-Fi film ahead! When an armed meteor is sent to destroy Earth, a dedicated scientist is pitted against an unknown enemy from space.

Battle of the Worlds (1961)

John Putnam, a stargazer, witnesses a spaceship landing in the Arizona desert, but none of the townsfolk believe him. Horror strikes when residents begin to disappear. How will John save them?

Flying Saucers