Perils of Thunder Mountain

Elmo finds himself in 18 different hair raising and dangerous adventures always escaping in the nick of time!

Mr. Lincoln's tremendous physique fits him especially for serial work, where strength and daring are all important! An 18-episode adventure movie serial where Elmo saves the day through derring-do.

A 1921 movie serial directed by J.P. McGowan. Chapters: 1. The Buccaneer's Bride 2. The Hornet's Nest 3. The Secret of the Sea 4. The Hidden Danger 5. The Bandit's Victim 6. The Escape 7. In Hiding 8. The Trap 9. Under Sentence 10. The Secret Cavern 11. Satan's Twin 12. The Lost Ring 13. The Cipher Key 14. The Midnight Attack 15. The Race for Life 16. The Crystal Lake 17. A Fight to the Finish 18. Hidden Treasure

A mechanic works for his sweetheart's father, who builds racing boats. He begs for and gets the chance to race a new-design boat, but his rival gets him intoxicated before the race and he wrecks the boat. Now he has to make good and show he has the right stuff.

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

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.

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship and return to Mars, he will be able to start a full-scale invasion of Earth. Good thing Craig Foster sets out to thwart the Monster's mission!

Daisy Smith (Marceline Day), a floater and non-desirable citizen in most societies, seeks refuge on a tropical island in the South Seas. She meets Jim Curtis (Don Alvarado), another society-outcast and a piece of human driftwood, and a romance takes place that regenerates both and they sail back to the United States determined to start life anew.

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of the Earth. Unfortunately for him, reporters oppose his sinister designs.

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.

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

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.

Captain Angus Swope (Noab Beery), known as The Black Yankee, skipper of the Golden Bough, treats his crew shamefully and he treats women no better, as evidenced by his handling of a woman he has abducted, together with her baby daughter, Mary (Sally Blaine), from seaman Newman (Willard Robertson). When the woman dies as a result of his cruelty, he brings up Mary as his own daughter.