Secret Agent X-9

Don Winslow (titular hero of the serial "Don Winslow of the Navy") is reassigned to the United States Coast Guard, to guard the coast against saboteurs and sneak attacks.

Ann and Tom Howard arrive from the east to take up ranching. But Tom wants to return and forges his sister's name to the deed and sells it to Larson. Eddie knows there is silver ore in the area and that Lawson, who killed the Sheriff, is out to get all the ranches. When Lawson appoints himself the new Sheriff, Eddie organizes the ranchers to fight Lawson and his men.

Universal's Ragtime Cowboy Joe is a modern western with a dash of music, not unlike the standard fare at Republic Pictures. The title character is a confused cowhand played by Fuzzy Knight, while the hero is Steve (Johnny Mack Brown), an undercover detective on the prowl for cattle rustlers.

The daughter of a man who has discovered radium on an African island is befriended by two people whose real goal is to keep the discovery to themselves.

Steve Bell, Tommy, Pig, Ape, and String are run of town. Steve, while hopping a freight card and trying to avoid the brakeman, is killed. The boys meet Steve's mother, Alice Bell and Tommy is given a job in the storage garage which she owns jointly with Mack Steward. Steve's brother Don Bell is working with some gangsters by tipping them off on valuable merchandise that can be hijacked. Pig, Ape and String overhear Don's plans to use Tommy as the fall guy in the next hijacking.

Four flying G-Men protect America against enemy spies; one of the four assumes the identity of The Black Falcon, to befuddle the saboteurs even further.

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

A 12-episode serial in which Tailspin Tommy evades volcanoes, anti-aircraft shells, and time bombs as he foils a plan by corrupt profiteers to steal an island's oil reserves.

A masked hero called "The Eagle" leads California ranchers in a struggle against Russian Cossacks who are plotting to take over California and turn it into a Russian colony.

A heavy condensation of the original serial compresses the original thirteen episodes into an efficient 97 minute feature. Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.

A 14-episode serial in which Mala, a Polynesian in the employ of U.S. Intelligence investigates sabotage on Clipper Island. A gang of spies causes the eruption of a volcano, for which our hero is blamed. He convinces the local Princess Melani of his innocence and helps her ward off a takeover by rival high priest Porotu.

Captain Bob Dayton and Lieutenant Ed Carey are partners in a company called "Sky Raiders" which seeks US government contracts for its inventions. Enemy spies attempt to steal, sabotage and discredit the inventions and founders of the company.

When Hadley finds gold on his land, Kirby kills him and then goes after Hadley's ranch. After Eddie Dean foils Kirby's robbery attempt, Kirby forces the assistant land agent Tuttle to sell the ranch to him. But Eddie learns of the forgery thru Tuttle's boss and goes after Kirby.

A hero goes undercover to uncover outlaws while singing to a heroine and being sneered at by a bad guy.

Beyond Hell's Gate Pass is territory controlled by a man who calls himself King Carter; he uses a variety of schemes to prevent the railroad from being built, for fear it will finish his control of (what he considers) his land.

A famous scientist and his beautiful daughter travel to Indochina to find an ivory disc that has the formula for a deadly gas engraved on it. An evil doctor and his gang are also looking for it.