Radar Patrol vs. Spy King

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 man has kidnaped an engraver and has him forging Mexican bills. He captures wild horses supposedly to sell for hides but uses them to transport the bills across the border. Police captain Juan Reyes (Richard Avonde) is posing as a bandit to uncover the counterfeiters smuggling fake pesos into Mexico, and is assisted by feisty youngsters Red (Michael Chapin) and Judy (Eilene Janssen), who are trying to protect the wild horses being used by the gang. The kids suspect that rancher Big John Harkins (Roy Barcroft) is the leader of the gang and that he is forcing Mexican artist Espinosa (Julian Rivero) to help him.

Rocky Lane, out to find the murderer of his brother, runs into a battle between two stage lines for a mail contract.

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.

An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Federal Agent.

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.

Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.

A man is sent to jail for murder escapes while being transferred, Rocky is sent to bring him in. When he catches him in a ghost town the man claims to be innocent and was trying to clear himself by finding the stolen money that was never recoveded at the time of the killing. But then they find themselves prisoners of an outlaw gang that is also after the money.

In Africa, a deceased medical missionary's daughter in Africa carries on her father's work. Before long, she finds herself in danger from crooks and a local witch doctor.

Abilene gunmen are bent on terrorizing the town of Blue Valley and massacring its inhabitants. They have been hired by local druggist Henry Turner, who has discovered gold beneath the town and wishes complete possession.

A new town doctor arrives at the same time as local Indians needprotection from troublemaking looters.

Feature version of the 1949 serial, KING OF THE ROCKETMEN: Young member of scientific group uses new rocket-powered flying suit to thwart shadowy saboteur known only as "Dr. Vulcan".

Although ostensibly the grand-son of the legendary hero, Clayton Moore's Ken Mason is little more than a cowboy in a black mask in this 12 chapter Republic serial. Mason, the head of the telegraph line work crew, assumes his ancestor's trade-mark mask (but not whip) in order to prevent a local czar (Roy Barcroft) from sabotaging the burgeoning telegraph line. Pamela Blake, a brunette starlet formerly known as Adele Pearce, played Mason's imperiled girlfriend, and the serial also benefitted from the usual competent work of Republic's great stunt-performers, including Dale van Sickel, Tom Steele, Eddie Parker, and Joe Yrigoyen.

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 criminal mastermind known as The Crimson Ghost is out to steal a device called the Cyclotrode, which can short-circuit all electrical current on the planet.

The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of scientists working on an atomic rocket development project. Behind the killings is fortune teller Sombra, a spy from an Asian country intent on world domination, who is determined to pilfer the atomic rocket by luring workers from the project to her parlor and killing them with black widow spider venom when they refuse to cooperate.