The Fortieth Door

A silent action movie serial.

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.

Miracles of the Jungle is a 1921 serial film

Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother Bradley Meredith. With his infant daughter, he settles in the African jungle, where his ability to cure the native ills has resulted in his virtual control of the Masamba tribes, who possess vast diamond mines coveted by a gang of crooks.

Originally written for Pearl White, this silent serial is a great action-packed adventure starring Molly King and Leon Bary. This serial had fifteen chapters, each one two reels in length. The chapters were: 1. The Lady in Number '7' 2. The Masked Stranger 3. An Hour to Live 4. Kidnapped 5. The Life Current 6. The Dead Come Back 7. Into Thin Air 8. The Stranger Disposes 9. When Jail Birds Fly 10. The Hole-in-the-Wall 11. Love's Sacrifice 12. Riddle of the Double Cross 13. The Face of the Stranger 14. The Hidden Brand 15. Mystery of the Double Cross.

Lure of the Circus is a 1918 American adventure film serial directed by J. P. McGowan.

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.

Frank Leon Smith's well-written story told of Carter's Creek, a bustling mining camp, and of how Beth Cameron (Rich) seeks to avenge the murder of her father (Frederick Vroom) by donning men's clothing and raiding the vicinity.

David Trent is a nobleman who forms an outlaw group to combat his evil uncle Sir Edgar Bullard. The outlaws of Sherwood Forest are championing young Roger Mowbray, really Prince Richard, whose right to the throne is being usurped by an evil regent. 15 episode adventure serial.

Two expeditions are trying to reach the Lost City of Zoloz -- one headed by Professor Davidson, a scientist who wants to establish an archaeological site, and the other by a greedy treasure hunter who wants to keep the fabled treasures of the city for himself. An agent of a foreign power also wants to establish a secret airbase there, so he stirs up the natives against The Phantom, who has been able to get them to stay peaceful so far. When The Phantom is murdered, his son takes his place and sets out to restore peace to the jungle and stop the agents' and the treasure hunters' nefarious plans.

Treasury agents go after a ring of counterfeiters operating out of a traveling carnival.

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the researcher come looking for him. Adventure ensues.

Congo Bill is hired to locate an heiress lost somewhere in Africa.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.

Pirate Gold

Evil Hassan slips back into his native land of Ahad and plots to overthrow his twin bother, Kasim, who has just been crowned the Caliph. Hassan enlists the aid of the chief Chamberlain, Faud and they send several henchmen into the royal palace, who then knock Kasim unconscious. Faud and Hassan dispatch a couple of different hirelings to take Kasim into another part of the town and murder him.Kasin comes to and gets away, but has been wounded. Omar, a beggar, takes Kasim to his home and nurses him back to health. But, it takes a few weeks for Kasin to get healthy and, by that time, Hassan has a firm grip on the duties of a Caliph. In a storeroom, Kasim finds a coat of mail with a great hawk emblazoned across the chest and promptly decides this is the costume he will wear while fighting to get his old job back. Meanwhile, the Emir of Telif shows up with his daughter, Princess Azala, with the intent of marrying her off to the local Caliph.

A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Africa.

The serial detailed the experiences of Kathlyn Hare, the pretty daughter of an explorer. Kathlyn resided in a mythical India, fighting off unwanted advances from a handsome native, Umballah, when not battling an endless array of ferocious jungle fauna.