The Fortieth Door

15-Chapter Serial about a scientist that discovers a formula for making synthetic gold and the people that want it.

Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.

A movie serial in 13 chapters, and Lionel Atwill's final film: Following the end of WWII, war-monger Sir Eric Hazarias sets the wheel in motion for WWIII. His search for Meteorium 245, the only practical defence against the atomic bomb, leads him to mythical Pendrang. Obstructing his sinister plan to rule the world are Rod Stanton, United Peace Foundation investigator, Tal Shan , Pendrang native, and Marjorie Elmore, daughter of scientist Dr. Elmore, unwilling assistant to Sir Eric.

This serial told the story of the diamond heir loom of the Stanley family.

Criminals steal a radium-powered tank from an inventor. His heiress and a government agent take up the chase. 18 episode serial-1. The Mystic Stone, 2. The Death Trap, 3. The Fatal Ride, 4. The Swing for Life, 5. The Torture Chamber, 6. The Tunnel of Doom, 7. A Flash in the Dark, 8. In the Clutches of a Mad Man, 9. The Roaring Volcano, 10. Creeping Flames, 11. Perils of Doom, 12. Shackled, 13. The Scalding Pit, 14. Hemmed In, 15. The Flaming Arrow, 16. Over the Cataract, 17. The Wheels of Death, 18. Liquid Flames.

Columbia's 34th serial production starring Buster Crabbe, the Serial King himself

A 15 episode serial in which Blake battles the "Scorpion" over possession of a 'death ray' machine.

Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune. One safari, led by Jungle Jim, wants to make sure she gets the news that she is now a rich woman. The leaders of the other safari want to kill the girl so they can try to get hold of her inheritance.

A pretty movie star is stalked by a strange gang whose leader is infatuated with her in this superior Pathé serial written by genre specialist H.H. van Loan. Released in 15 chapters between May and August of 1920, the serial offered a glimpse into the still mysterious world of movie-making

A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial lightning to sabotage the war effort.

Captain Bob Dayton and Lieutenant Ed Carey are partners in a company called "Sky Raiders" which seeks US government contracts for its inventions. Enemy spies attempt to steal, sabotage and discredit the inventions and founders of the company.

Four youthful cadets are implicated in a series of murders, and must attempt to clear themselves of suspicion.

Only Episode 7, "The Hooded Helper," of this 20-Episode Serial is known to survive. All other episodes are believed to be lost.

A 12-episode serial in which scholastic sports star Frank Merriwell leaves school to search for his missing father. His adventures involve a mysterious inscription on a ring, buried treasure, kidnaping and Indian raids. He saves his father and returns to school just in time to win a decisive baseball game with his remarkable pitching and hitting.

An adventure serial released in 1918

The Great Gamble is a 1919 movie serial.

An Air Force captain is assigned to find some missing top-secret microfilm.

Hidden Dangers is a 1920 serial film.

In this 12 Chapter serial the UN enlists trader Tom Rogers and Vivian Wells, to lead the effort to prevent the natives from starting a revolution in Burmatra and its neighbors.

In Africa, a deceased medical missionary's daughter in Africa carries on her father's work. Before long, she finds herself in danger from crooks and a local witch doctor.