Nan of the North

15 part adventure serial directed by W. S. Van Dyke survives in a Russian archive.

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

A police detective is caught up in a plot to steal two million dollars in bonds.

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.

Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal's 40th sound-era serial. Eagle Scout Bruce Scott, leader of Martinsville Troop Number One, and his pack sets off in search of lost treasure and finds adventure

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.

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.

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

Jesse James wants to start a new life in a new location, but quickly finds himself wrapped-up in protecting townsfolk from the machinations of evil oilmen.

A criminologist and a government agent team up to expose a ring of German spies.

A newspaperwoman finds trouble aplenty when an Inca tribe believes her to be the reincarnation of their long-lost princess.

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.

An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.

15 chapter adventure serial: 1. Caught in the Web; 2. The Open Switch; 3. The Speeding Doom; 4. The Clutch of Terror; 5. The Hand of Mystery; 6. Full Speed Ahead; 7. The Crater of Death; 8. The Plunge of Horror; 9. The Fire Trap; 10. Out of the Dungeon; 11. In the Desert's Grip; 12. Hurled to Destruction; 13. The Hidden Menace; 14. The Crash of Fate; 15. Out of the Web.

The Hazards of Helen is an American melodramatic adventure film serial of 119 twelve-minute episodes released between November 7, 1914 and February 24, 1917. Most episodes of this serial are presumed lost.

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.

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.

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.