The "Hell's Angels" gang aim to kill Mil Mascaras for sending their leader's sweetheart to jail.

Wrestler vs mad-scientist with werewolf serum.

A group of beautiful female vampires lure men to their estate so they can feed on their blood.

In the Age of the Inquisitions, 1603, Santo, El Enmascarado de Plata, is being laid to rest by a group of monks. The Black Hood, an axe-wielder and a tormented soul who sold his soul to the devil after losing his love to El Santo, appears at the foot of his tomb and swears to seek his revenge no matter how many centuries it takes. El Santo is the chosen one and is sworn to fight for good and justice at any cost. After he finds his love, Alicia, dead at the hands of the Black Hood, El Santo must trust his faith and use his strength in this battle of good vs. evil.

Near the end of the 19th century, Prof. John Mayer and his assistant, the scientist Dr. Isabel Reed, accidentally invent a powerful ray. An alien travels to Earth to destroy the machine since it would be a threat to the universe. He initially possesses the mind of Thomas, a sex maniac and serial killer, to get close to Mayer during the demonstration of the machine to scientists and the military. Mayer's niece, Laura, meets an acquaintance of her uncle, the chemist Dr. Paul Rosten, and Mayer invites him to join the research. When Thomas gets close to Mayer, the alien also possesses his mind in order to destroy the device and his notes. Meanwhile, Thomas is not able to control his murderous impulses and attacks several women with a straight razor.

The frightening Boris Karloff 60s thriller with Karloff as a demented doctor using torture for scientific experiments.