Dr. Decker returns from Africa after a year, presumed dead. In that year, he discovered a way of growing plants and animals to an enormous size. He brings back a…

The son of the notorious Dr. Henry Jekyll is determined to prove that his father’s reputation has been unjustly deserved. He sets out to develop his father’s formula in order…

The reclusive Dr. Zorba has died and left his sprawling mansion to his nephew Cyrus and his family. They will need to search the house to find the doctor’s fortune,…

A carny builds a gambling empire at the expense of his family’s wellbeing.

An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.

Rich old Cyrus West’s relatives are waiting for him to die so they can inherit. But he stipulates that his will be read 20 years after his death. On the…

After a UFO sighting, a mysterious phantom in a bizarre outfit starts attacking people in San Fernando Valley.

Elinor Bentley Fairchild’s previous three grooms-to-be have either died or been maimed. Her aunt hires Lucky Downing to become engaged to her for a month to break the curse. But…

It’s midnight in a graveyard. The principal characters are spooks, ghosts, bats, bells, and, at the end, the sun. As midnight strikes, 12 spooks appear, then two ghosts. They move…

Infamous burglar “The Bat” commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile,…

Dr. Leon Kravaal develops a potential cure for cancer, which involves freezing the patient. But an experiment goes awry when authorities believe Kravaal has killed a patient. Kravaal freezes the…

After a series of scientific experiments directed towards freeing the inner man and controlling human personalities, the kindly, generous Dr Henry Jekyll succeeds in freeing his own alter ego, Edward…