In this Mexican sci-fi fantasy, big beefy Martians invade the earth. Ostensibly, they have come to warn people about the dangers of nuclear testing...

The Blue Demon faces a murderous satanic hypnotist.

Santo fights a group of phony spiritualists who are trying to scam his god-daughter out of her 6 million peso inheritance.

Men are turning up dead after receiving anonymous threats that include the date of their deaths. The latest person to receive one of these threats...