The Beasts of Terror (1973)
A young heiress is kidnapped by two aspiring thieves who are then captured by a mad scientist. It's up to the police, Santo, and Blue Demon to rescue them.
- Country : Mexico
- Genre : Action, Crime
- Studio : Películas Latinoamericanas S.A.
- Director : Alfredo B. Crevenna
- Cast : El Santo, Blue Demon, Víctor Junco, César del Campo, Elsa Cárdenas, Antonio de Hud