Pretty Girl Barbara Mededith takes over her murdered brother's crusading newspaper. She also assumes the dead sibling's identity as "The Black Whip," righting the wrongs of Crescent City very much in the manner of her famous ancestor, Zorro.
"Red" Davison(Buck Jones), the sheriff of Sun Dog, sacrifices his job and his good name to save his best friend, "Silent" Slade from the hangman's noose, following a framed-up court decision which sentences Slade to hang for the murder of "Scotty McKee (J.P. McGowan). Davidson allows Slade to escape from jail and follows him to aid him in proving his innocence.
Efforts to build a transcontinental railroad are resisted by crooks and Indians on the warpath. A 12-chapter movie serial.
A cowboy is hired to track down a gang of rustlers, but gets involved with a beautiful girl trying to run her grandfather's gold mine and other outlaws who are trying to stop her.
A man returning home after having fought in the Civil War discovers that corrupt politicians have taken over the county and are terrorizing and shaking down the citizens. He dons the costume of his ancestor, the famous Zorro, and sets out to bring them to justice.
Heavyweight boxing champion Jack Dempsey stars in this 15 chapter action serial, of which portions of reels 1, 2, and 4 survive. In the serial he plays the star fullback of his college's football team who gets drawn into an adventure when he stops to rescue a young woman from some thugs on a country road. It includes a gag featuring an exploding football. The rest of the cast includes Lon Chaney, Edgar Kennedy, Bull Montana, Josie Sedgwick and Herschel Mayall.
Columbia Pictures elevated a run-of-the-mill B-western supporting player, Marshall Reed, to the title role in this equally run-of-the-mill western serial released in 15 chapters. Like most serials in the '50s, Riding with Buffalo Bill consisted of quite a bit of budget-stretching stock footage telling a highly fictionalized account of Buffalo Bill Cody aiding a group of ranchers in their defeat of a local crime lord. The serial's assistant director, Leonard Katzman, later produced the long-running television series Gunsmoke and Dallas.
Bob Norton, seeking his brother's killer, tangles with outlaws, wild horses, and a "wild" boy.
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.
The California-Yucatan Railroad, being built for the good of Mexico, is under siege by a gang of terrorists hoping to force its sale; no one can prove their connection to profiteer Marsden. Manuel Vega, aged co-owner, calls in the aid of his nephew James, great-grandson of the original Zorro. Alas, James seems more adept at golf than derring-do; but after he arrives, Zorro rides again! Can one black-clad man on horseback defeat a gang supplied with airplanes and machine guns?
When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry stumbles upon the civilization, now buried beneath his own Radio Ranch. The Muranians have developed technology and weaponry such as television and ray guns. Their rich supply of radium draws unscrupulous speculators from the surface. The peaceful civilization of the Muranians is corrupted by the greed from above, and it becomes Autry's task to prevent all-out war, ideally without disrupting his regular radio show.
In 1930s Texas, following the murder of his father, Tom Morgan joins the Texas Rangers to avenge his father's death and to follow in his path as a proponent of Indian rights. His task as a Ranger is to stop the evil Zaroff and his gang, who are smuggling the elements for a powerful explosive from a mine on Indian land.
Saloon owner Barnet wants the Indian reservation land on which he knows there is gold, and organizes a gang, aided by some renegade Indians, to raid and terrorize close-by settlers,hoping to arouse them to drive off the Indians. Rancher Jerry Randall, accompanied by school teacher Nancy Cooper, sets out to defeat the plot. In order to win the loyalty of the innocent tribe members, Randall masquerades as a legendary friend of the Indians, El Latigo.
Tex Granger heads toward Three Buttes when he comes across a young boy guarding a gold shipment which he has just rescued from a stagecoach that had been held up by Blaze Talbot and Reno
A young woman finds a trunk full of stolen diamonds, takes them and heads westward, pursued by the thief.
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."
Stock-footage from Republic Pictures' earlier Zorro serials was served up once again in this 12 chapter cliffhanger, this time without the financially strapped studio having to credit Zorro creator Johnston McCulley or pay any royalties. Zorro simply became "Don Daredevil" (Ken Curtis), a foppish Easterner by day turned masked avenger by night. Like his not too distant relative, Don wore his disguise in order to battle nasty Roy Barcroft who, under a forged Spanish land grant, attempts to take over the surrounding ranch land.
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.
Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.