Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics…

After her brother’s death, Roma Courtney becomes the heiress to his fortune. When a fake psychic claims to have a message from her dead brother, he coaxes her into participating…

After young Mary Gibson discovers that her older sister Jacqueline has disappeared, she leaves her boarding school and heads to New York City to track down her sibling. But Mary…

A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary…

When master monster make-up man Pete Dumond is fired by the new bosses of American International studios, he uses his creations to exact revenge.

A scientist is turned into an ape man.

Dr. Paul Carruthers is frustrated because he thinks his employers, Mary Heath and Henry Morton, have cheated him out of the company’s profits. He decides to get revenge by altering…

A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor…

Down-on-his-luck John Ellman is framed for a judge’s murder. After he’s convicted and sentenced to death, witnesses come forth and prove his innocence. But it was too late for 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…

A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the…

The latest assignment for respected detective Charlie Chan has come directly from the government and involves the disappearance of a scientist named Harper, who was working on an extremely important…