An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.
A young woman and her father search for hidden treasure in the African jungle.
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.
A cult of Hindu tiger worshippers and a gang of Western outlaws try to cheat a young woman out of rich mines that belong to her.
The Secret Kingdom is a 1917 silent action movie serial comprised of 15 chapters: 1. Land of the Intrigue 2. Royalty at Red Wing 3. Sealed Packet 4. Honorable Mr. Oxenham 5. Carriage Call #101 6. Human Flotsam 7. Ghost Ship 8. Rum Cay 9. Swamp Adder 10. A Goat Without Horns 11. The White Witch 12. The Shark's Nest 13. The Tragic Masque 14. The Portrait of a King 15. The Tocsin.
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.
The villain of this serial, the "Wolf Devil", who's head covering amazingly looks to be a REAL wolf's head, is determined to eradicate the non native races from Alaska.
Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.
Beatrice Fairfax, the original advice-to-the-lovelorn reporter and her friend and not-so-secret admirer Jimmy Barton investigate calls for help and escape exotic perils and dangers. Episodes include exciting and fun stories of baby-napping, blackmail, jewel thievery, disguise, counterfeiting, and the long-unseen episode featuring entrancing cult starlet Olive Thomas and the real New York Yankees and Giants playing a game in the Polo Grounds.
Silent adventure serial starring Ann Little. Episodes: 1) Message of Hate, 2) Menace from the Sky, 3) Mysterious Prisoner, 4) A Perilous Ride, 5) A Woman's Wit, 6) A Night of Terror, 7) Washed Ashore, 8) A Perilous Leap, 9) Lost Identity, 10) In Close Pursuit, 11) The Wilds of Alaska, 12) The Camp of the Charkas, 13) The Secret Skull, 14) The Desert Island, 15) Home and Happiness.
An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it becomes a case for Forest Ranger Steve King
The Phantom Rider helps Mary Grayson thwart a plot to steal her land.
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.
Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
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.
Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.
Government agents try to thwart smugglers, while some sort of plot unfolds, about a hidden treasure revealed by cursed coins.
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.
Government agents work to interfere with schemes to trick the Comanches into war with the Texans.
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.