The Day Mars Invaded Earth

An agent from a distant planet has been sent to earth to ship large quantities of blood to his world, where a plague is ravaging the populace. He comes equipped with an interstellar matter transmitter, telepathic mind-control powers, and deathray-shooting eyes. Because he is also affected by the blood disease, he gains control of the town's physician and has him place a nurse at his disposal, while he collects live humans for fresh blood; but gains the nurse's suspicions, along with those of her boyfriend - a town police officer.

An alien from Venus tries to take over the world with the help of a disillusioned human scientist, as his wife, his best friend and the friend's wife try to intervene.

A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).

Husband-and-wife scientists pick up a pie-in-the-sky TV message supposedly from Mars.

In England, a group of space scientists led by Bernard Quatermass, who have developed plans for the first Moon colony, learn that a secret, ostensibly government-run, complex of identical design has been built in a remote part of England and is the focus of periodic falls of small, hollow "meteorites" originating in outer space. Quatermass determines to investigate and uncovers a terrifying extraterrestrial life form which has already begun action to take over the Earth.

The head of a major cosmetics company experiments on herself with a youth formula made from royal jelly extracted from wasps, but the formula's side effects have deadly consequences.

In this animated adaptation of E. E. Doc Smith's groundbreaking science fiction serial "Grey Lensman" from the 1930s-1950s, Kimball Kinnison, a young man from the agricultural planet Mquie and his Valerian companion, Buscirk find a dying man with a legendary crystal lens embedded in his hand. As the man was dying, he mysteriously passed on the Lens to Kim. With more companions to come by, Kim must find out the purpose of the Lens before the Boskone dynasty does.

The Earth is invaded by alien parasites—AKA 'slugs'—that ride on people's backs and control their minds.

A team of American astronauts leave their space station on the first mission to Mars, but the captain's religious beliefs may get in the way.

Lovely and resourceful Daria and Tisa escape a space gulag only to crash land on a nearby world where a guy in tight pants named Zed is playing The Most Dangerous Game. Zed turns the girls and another guest loose in his jungle preserve to serve as the prey in a mad hunt. Armed only with knives and their wits, the girls must battle their way across the jungle to a hidden arms cache before Zed catches and kills them.

The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.