A diamond robber, who was left behind in the hands of the police, gets out of prison and teams up with the man who funded the robbery, but who never saw the loot, to get even with the other members of the gang.

Film inspired on the character from "Don Juan Tenorio".

A deadly manhunt takes three people through the sordid streets of the Philadelphia underworld, in search of killers and the truth, where every clue brings new questions.

In the future the struggle for space superiority has forced humanity to search the cosmos for a rare element called Antallum that is the key ingredient for the construction of neutron bombs. Starship captain Larry Madison and his crew are assigned to retrieve Antallum from the remote planet Lorigon. However, Madison and crew find themselves under the control of a powerful computer on Lorigon that incites everyone to have sex. Some versions feature brief adult scenes shot with body doubles.

An alien civilization, which facing eminent extinction, kidnaps two famous genetic scientists from Earth. A troop of soldiers is dispatched to combat the humanoid robots and rescue the victims.

A strange signal arrives on the Earth disturbing all communications, while an UFO appears above the Antarctic sea. Captain Alex Hamilton is sent with his spaceship and crew to the space outside the Solar System to find the origin of that signal. They reach an unknown planet where a giant robot enslaved a whole population of humanoids by taking their psychic energies.

Three men with supernatural powers interfere in a tribal warfare to prevent evil Amazons destroying the inhabitants of a village.