Captain Video: Master of the Stratosphere is an American adventure horror science fiction film 15-chapter serial released by Columbia Pictures in 1951.

It was directed by Spencer Gordon Bennet and Wallace A. Grissel with a screenplay by Royal G. Cole, Sherman I. Lowe and Joseph F. Poland, based on a treatment by George H. Plympton.

In this film, an extraterrestrial dictator plans to conquer the planet Earth by orchestrating climate change on a planetary scale.

He faces an interplanetary menace, as the evil dictator of the planet Atoma, Vultura (Gene Roth) and his lackey, the traitorous earth scientist Dr. Tobor (George Eldredge) are planning to conquer the planet Earth, by controlling the weather.

[3] Captain Video: Master of the Stratosphere was very successful when first released to theaters, and kept playing long after other serials had been retired to the vaults.