An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Federal Agent.
Four youthful cadets are implicated in a series of murders, and must attempt to clear themselves of suspicion.
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist plans to steal it for use in his criminal plans. His henchmen often kidnap a trained gorilla (the titular "ape") from the zoo, to aid in the schemes.
Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious masked gangster and his aide.
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the gold and become Emperor. Francisco was put in charge of a legion to combat the Yaqui tribe and protect the land, but when attacked Zorro came to his rescue. Francisco's partner recognized Zorro as the hidalgo Don Diego Vega, then ask him to take over the fighting legion as his alter-ego Zorro.
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibility chemical and plans to build a mercenary army of invisible men.
A variety of people are searching for a long-hidden treasure somewhere on an island. Chapters: 1. The Isle of Fear, 2. The Ghost Talks, 3. The Phantom Duel, 4. Buried Alive, 5. The Girl Who Vanished, 6. Trapped by the Flood, 7. The Cannon Roars, 8. The Circle of Death, 9. The Pirate's Revenge, 10. The Crash, 11. Dynamite, 12. The Bridge of Doom, 13. The Mad Flight, 14. The Jaws of Destruction, 15. Justice
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.
When a bank executive disappears, he is accused of stealing a fortune from the bank. But his daughter and her criminologist friend set out to find her father and clear his name.
Congo Bill is hired to locate an heiress lost somewhere in Africa.
A Canadian Mountie and a young girl team up to prevent an evil couple from finding a fallen meteorite that contains a powerful element called "Tilano."
A police detective is caught up in a plot to steal two million dollars in bonds.
When his father is falsely convicted and sentenced to die for a murder committed aboard ship, the man's son signs on as a crewman to discover the real killer and clear his father.
Only Episode 7, "The Hooded Helper," of this 20-Episode Serial is known to survive. All other episodes are believed to be lost.
Miracles of the Jungle is a 1921 serial film
In this movie serial Professor Sturgess invents a miraculous engine which can draw unlimited power from the atoms of the air. When the professor is killed, his daughter and her fiance must fight to keep the secret of the power engine out of the hands of evil Weston Dore and his henchmen.