Astronauts crash-land on Venus and find themselves in trouble when they kill a monster that is worshipped by a group of Venusian women. Re-edited version of Soviet sci-fi Planet of Storms (1962) by Pavel Klushantsev, dubbed into English with additional scenes.

A spaceship gets lost and is forced to make an emergency landing on an unknown planet. The planet looks much like Earth, only with no trace of civilization. Soon the crew discovers that there are bloodthirsty dinosaurs on the planet. The crew hopes to be found and rescued, but until then, they must fight to survive.

After spending several months in an orbiting lab, three astronauts prepare to return to Earth only to find their de-orbit thrusters won't activate. After initially thinking they might have to abandon them in orbit, NASA decides to launch a daring rescue. Their plans are complicated by a hurricane headed towards the launch site—and a shrinking air supply in the astronauts' capsule.

An "unknown force" declares war against planet Earth when the United Nations disobeys warnings to cease and desist in its attempts at assembling the first satellite in the atmosphere.

A space expedition to Uranus is menaced by a giant brain that can make illusions come true.

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.

When the first manned flight to Venus returns to Earth, the rocket crash-lands in the Mediterranean near a small Italian fishing village. The locals manage to save one of the astronauts Colonel Calder, the mission commander. A young boy also recovers what turns out to be a specimen of an alien creature. Growing at a fantastic rate, it manages to escape and eventually threatens the city of Rome.

The first manned spacecraft, fired from an English launchpad, is first lost from radar, then roars back to Earth and crashes in a farmer's field, and is found to contain only one of the three men who took off in it; and he is unable to talk but appears to be undergoing a torturous physical and mental metamorphosis.

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

Carpet dealer and UFO photo forger Arif is abducted by aliens and must outwit the evil commander-in-chief of G.O.R.A., the planet where he is being held.

Desperate to land a man on the moon before Russia does, NASA hastily preps a would-be spaceman for a mission that would leave him alone in a lunar shelter for a year.

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).