Tandra Quinn

A medical student (Ross Elliott) learns about a scheme to drug a girl (Susan Morrow) and pass her off as an heiress to an oil fortune.

Juvenile delinquents (Joyce Holden, Glenda Farrell, Harvey Lembeck) trap a neighborhood hoodlum in New York.

A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.

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 growth hormones. Women develop miraculous regenerative powers, but men mutate into disfigured dwarves. Spiders grow to human size and intelligence.