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Santo y Blue Demon Contra El Dr. Frankenstein poster

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Cinematografica Calderon

El Santo and Blue Demon team up with a couple of detectives to stop the grandson of Dr Frankenstein from conducting fiendish brain transplant experiments. --description from IMDb

Directed by Miguel M. Delgado, starring Santo, Blue Demon, Sasha Montenegro, Jorge Russek, and Ivonne Govea.