The navy captain Avanti Planetaros is inspired by his astronomer-father to travel through outer space to reach other worlds. He becomes an aviator and, along with the…
Scientist Dr. Jeff Huntley inherits a fortune from his uncle and invests it in the development of a rocket ship, built with the assistance of his mentor, Dr. Nichols.…
Hoping to overthrow his brother as ruler of the planet Metropolis, the evil Graal enlists the help of the insane Dr. Kraspin, who has invented a chemical capable of…
Professor Challenger (Claude Rains), a celebrated biologist and anthropologist, reports to the London Zoological Society that he has discovered living specimens of…
In Canada's Nunavut Territory, a team of young researchers collecting ice core samples of glaciers are killed by a Graboid. After brushing off a tax agent, Burt Gummer…
Mitch MacAfee (Morrow), a civil aeronautical engineer, while engaged in a radar test flight near the North Pole, spots an unidentified flying object. Three jet fighter…
After returning from a scouting mission in a time machine, the Mandroid gives a Roman centurion shield to his master Abbot Reeves. Reeves orders the Mandroid to be…
The first U.S. spaceship to Venus, the XY-21, crashes into the Mediterranean sea off the coast of Sicily, Italy as fishermen watch. They row to the spacecraft, enter…
A deadly plague is ravaging the Earth, known as the Purple Death because of a purple spot left on victims' foreheads. Flash Gordon learns that Ming the Merciless is…
An army captain is flying three misfit deserters home for a court martial when the plane has engine trouble and they crash-land in the ocean near an uncharted island.…