When brilliant surgeon Ukyo Retsu removes a cancer from a mysterious old woman, he doesn't realize that the cancer is a 5000 year-old demon. Ukyo must then assume the role of protector of the Earth.

The realm of magic is being threatened by the realm of logic, so the green wizard, Carolinus, decides to shield it for all time. Ommadon, the evil red wizard, stands in his way. Carolinus then calls for a quest that is to be led by a man named Peter Dickinson, who is the first man of both the realms of science and magic. It is Peter's job to defeat Ommadon.

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.

A mute alien with the appearance of a black human is chased by outer-space bounty hunters through the streets of Harlem.

In 1815 a monk, Tomas Alcala, unwittingly unleashes two female succubi, Munkar and Nakir, upon an unsuspecting 21st century. He is chosen by God to travel through the centuries and stop the demons' rampage.

A mysterious artifact unearthed below a London Underground station proves to have powerful psychic effects on the people around.

Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.

A small group of cosmic explorers, including a woman, leaves Earth to start a new civilization. They do not realize that within themselves they carry the end of their own dream. They die one by one, while their children revert to a primitive native culture, creating new myths and a new god.

A scientist trying to solve one of the universe's greatest puzzles begins a romance with a much younger colleague that's haunted by a dark secret.

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

A janitor at an alien night-club gets his wish to be a singer.

In 2025, a scientist on the verge of making a major discovery related to time travel is suddenly put in peril when a rival kidnaps her young son and demands a hefty ransom: her entire research.