An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
Daniel Robin has become mixed up with a band of criminals known as "the 13," and is shot when he refuses to do their bidding. His daughter Ruth, brought home from boarding school, reaches his bedside before he expires. He tells her that she will be given thirteen keys. Instructions will be provided with each key and, if she follows the instructions, she will eventually fully learn of her birthright. Many adventures then follow as Ruth attempts to solve the puzzle of each key and establish her true birthright.
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: After gold is discovered in the town of Nugget, the titular band of thieves and cutthroats inundates the frontier settlement. A group of three compatriots -- upstanding ex-sheriff Jack Woods, his harmonica-playing friend Laramie and tricky, smooth-talking gambler Deacon -- combine their respective skills in a fateful struggle to deceive and disarm the gang.
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone
Commando Cody, 'Sky Marshal of the Universe', works with American scientists Joan Gilbert and Ted Richards in the development of a flying suit and a rocket to the Moon. When the nation's defences are being sabotaged and destroyed, Cody learns that an atomic-gun is being used and that the men on the moon are the culprits.
A young newspaperwoman travels to a South Seas island to search for buried treasure.
The story of a girl who for months was in perpetual peril; on land, on sea, everywhere, Orient, Occident, and the Antipodes.
Columbia Pictures elevated stunt man Jock O'Mahoney to stardom in this 15 chapter western serial about the building of the transcontinental railroad. O'Mahoney played a railroad agent who uncovers the master criminal behind a series of sabotage attempts on the construction site.
A young woman finds a trunk full of stolen diamonds, takes them and heads westward, pursued by the thief.
The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spider to save the country.
The self-styled son of Indian chief Geronimo gets himself involved with a gang of nasty whites in this typical low-budget 15 chapter serial, which benefitted from a great deal of footage from the the stock piles at Columbia Pictures. Jim Scott and wagon train boss Tulsa are on to the nefarious schemes of Rance Rankin and Ace Devlin, getting words of warning through to Portico, the Son of Geronimo. With Portico's help, the white renegades are finally destroyed in the serial's concluding chapter, "Peace Treaty." Moore, the future star of the television series The Lone Ranger, was here billed "Clay Moore."
Movie serial directed by George B. Seitz.
A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.
A silent movie serial directed by George B. Seitz.
Japanese spies attempt to subvert America's war effort; G-Men attempt to thwart their plot.
The heirs of Anton Benson are searching Bensonhurst for hidden gold; they are joined by a reporter, a gangster...and a masked fiend known as The Iron Claw.
Two prospectors, one the father of Sky "Lightning" Bryce and the other the father of Kate Arnold, find a large gold deposit belonging to an Indian tribe. They head for home but each sends a note to their respective off-springs advising them of their good fortune. One of the fathers conceives a plan of taking a dagger and wrapping a piece of string around the blade, after which he prints on the string with a lead pencil, the exact location of their find. If something happens to them, the string goes to the son and the knife to the daughter. That night an Indian approaches their camp and blows some mysterious wolf powder which causes a man to see wolves in place of human beings. Lightning's father see his partner as a wolf and stabs him to death; later he is brought into town in a dying condition but before dying, hands the knife and the string over to the sheriff with instructions to deliver to Lightning and Kate.
Prof. Millard pretends to be dead and helps Jeff King ferret out Vulcan, the evil traitor at the science academy. Donning his Rocket Man costume King goes from one hair raising rescue to the next in order to keep the newly invented Decimator out of the clutches of Vulcan and his minions.
A gang of land-grabbers tries to prevent safe passage of the Foster Stage Company through frontier territory.