El secreto del Dr. Orloff

A refugee Soviet scientist arrives at a desert airport carrying secret documents, but is attacked by a pair of KGB assassins and escapes into the desert, where he comes in range of an American nuclear test and is transformed into a mindless killing beast.

A photographer and his models go to an old, abandoned castle for a photo shoot. Unbeknownst to them, the castle is inhabited by a lunatic who believes himself to be the reincarnated spirit of a 17th-century executioner whose job it is to protect the castle against intruders.

A rash of bizarre murders in New York City seems to point to a group of grotesquely deformed vagrants living in the sewers. A courageous policeman, a photojournalist and his girlfriend, and a nutty bum, who seems to know a lot about the creatures, band together to try and determine what the creatures are and how to stop them.

A group of unsuspecting people ends up in a mysterious castle. They think they are alone, but nobody is alone in these walls. Because the "Castle of Horror" has a terrible life of its own, and a past that would have rested better.

A lone female park ranger tries to track down a vicious creature killing various people and terrorizing her at a remote national park.

In order to diagnose the psychic traumas suffered by his patients, Dr. Paul Novotny gets young Alex Gardner to enter their dreams.

Radio personalities Larry Abbot and Vickie Pearle are stars of a mystery show. Since they announced their engagement, Larry has been plagued by speech problems and, seeking out an unconventional cure, he returns to his boyhood home, a mansion in the countryside, bringing Vickie along. Larry reunites with numerous family members, but discovers that there are sinister things afoot within the walls of the creepy estate.

A European prince terrorizes the local peasantry while using his castle as a refuge against the "Red Death" plague that stalks the land.

Gamera escapes from his rocket enclosure and makes his way back to Earth as a giant opal from New Guinea is brought back to Japan. The opal is discovered to have been an egg that births a new monster called Barugon. The creature attacks the city of Osaka by emitting a destructive rainbow ray from his back, along with a freezing spray capable of incapacitating Gamera.

The town of Vögel, in Transylvania, stands under the ruins of the old castle where the vampire lord tortured his prisoners and drank their blood. A group of stranded entertainers take shelter in the remote European castle and the Count is naturally delighted to receive them…

Recognizing the destructive power of its captive giant Ape, the military makes its own battle-ready A.I., Mecha Ape. But its first practical test goes horribly wrong, leaving the military no choice but to release the imprisoned giant ape to stop the colossal robot before it destroys downtown Chicago.