Rocky Jones is dispatched to investigate an SOS received from a space station. He finds that the station is filled with deadly radiation brought by an evil ruler who is immune to the radiation, and plans to use it to take over the universe.

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.

Just after the Civil War a Texan and his men are fighting a ruthless Commissioner and his excessive taxes. After a Lieutenant is falsely accused of a pay wagon massacre by the Commissioner's men, he deserts the Army and tries to clear himself. At first he belives the Texan was behind the massacre but then learns it was the Commissioner and joins the Texan in his fight.

Wyoming Dan (Trevor Bardette) returns home after 20 years evading the law for a crime he didn't commit, only to find his son on his deathbed. Seeking revenge for his son's murder, Dan enlists the help of Rocky Lane (Allan Lane), who poses as an outlaw to try to uncover the truth. When the duo manage to track down the killer, they find him armed to the teeth.

When rancher Jim Thornton discovers gold in Gold Valley, he sends for Lash and Fuzzy to protect his treasure from a band of gunslingers.

Six wanted outlaws are rounded up and captured by the Cheyenne Kid. Collecting the reward money, Cheyenne instructs his sidekick Fuzzy Q. Jones to give the money to a group of financially strapped ranchers. Alas, Fuzzy falls off his horse, loses his memory, and forgets what became of the money.

A ranger in Buffalo Gap has been killed and the trail leads to a gang headed by Bill Judd. When there is yet another killing, the sheriff seems remarkably hesitant to arrest the culprit and may be taking his orders from a mystery boss. Teaming up with Al's pretty sister and her Uncle Bob, Cheyenne and Fuzzy go in search of the mystery villain.

Red Ryder gets a telegram from his old friend Dan O'Connor asking for help in his fight against Faro Savage and his gang of rustlers. A gun dropped by Faro during a rustling raid makes Red and Sheila O'Connor, Dan's daughter, think they have ample proof against Faro but they are stymied by the law. Buckskin Blodgett and the Duchess, Red's aunt, find the body of O'Connor who was killed when Faro's men sent the sheriff out on a ruse. Sheila, discovered while rifling Faros office for evidence, escapes but not before she is recognized. Faro kills one of his own henchmen and then frames Sheila for the murder. Red and Little Beaver set out to clear Sheila and to try to find evidence against Faro and his gang. Written by Les Adams

Willis Newcomb and Bart Carroll head a gang engaged in smuggling wanted-American criminals back into the United States from Mexico. Operating from Sharperville, an oil town on the American side of the border, they transport their human cargo in oil drums loaded on trucks. Border Patrolman Tom Sharper intercepts one of the trucks but is overpowered and left for dead. Carroll, having already been paid for the job and not wanting any evidence to walk around, get caught and lead back to him, backs the human-cargo trucks to the edge of a cliff and sends the drums crashing to the boulder far below. Judge Cookie Bullfincher and Border Patrolman Roy Rogers conduct a search for the missing Tom, but the crooks have gone back for him and find him in a state of amnesia. They rob the bank and pin it on Tom. It is now up to Roy to clear his friend and also put an end to Carroll's human-smuggling racket.

A female marshal and a newspaper editor help heroic Tim Holt fight an evil land agent. Western.

Prince Ali wants the Golden Idol of Watusi and hires a ruthless hunter to get it for him. Bomba has the idol and, with the help of Commissioner Barnes, Eli, and a beautiful archeologist, he foils Ali's plans.

The Jewel Land Company of Elko, Texas is selling Government land to settlers. Before any of the settlers can claim their land, they are being killed by McCabe's gang. When Rocky comes to Elko to find his friend Jim, he winds up in Jail on a charge of stealing money from the new Marshal. The only person in town that is on his side is Nugget, but there is little that he can do by himself. When Rocky escapes from the jail with another prisoner and the Marshal is shot, he has to find who is behind his problems and what has happened to Jim and Emily.