Ronald Davidson

Alan Armstrong, aka Spy Smasher, battles a Nazi villain known as The Mask, who heads a gang of saboteurs determined to spread destruction across America. (imdb)

When a Golden Scorpion idol is stolen from an archeological site, the wizard Shazam enables young Billy Batson to become Captain Marvel and protect the world from the power of the idol.

A mad scientist plots the domination of America and only the masked hero, The Copperhead, can stop him. (imdb,com)

Professor Campbell's expedition into the hills of Libya obtains a papyrus which might reveal the hiding place of the Golden Tablets of Hippocrates, containing lost medical secrets. Also in the region is intrepid Nyoka Gordon, still seeking her father, lost on a previous expedition. She alone can translate the papyrus, which directs our heroes through deadly perils into the land of the Tuaregs. Opposing them are Vultura, Queen of the Desert, and her ally Cassib, both greedy for the treasure... (imdb)

DICK TRACY'S CHALLENGE! America's greatest detective hurls defiance into the shadows of the Underworld in his search for murderous criminals who threaten New York's destruction. The top Tracy Serial of all time. (tagline)

Strategic targets on Earth are being destroyed by an unknown weapon. Government security head Henderson suspects it's an "atomic ray" originating from the moon! He assigns Commando Cody, scientist and man of action with a secret flying suit, to investigate. Soon, Cody is battling Earth thugs in the pay of Krog the moon man and making trips in his experimental rocket to the moon itself, in a perilous and all but singlehanded effort to thwart the planned invasion of Earth. (imdb)

A single-handed hero sets himself against Martians trying to assume control of Earth. (imdb)

The masked hero leads a fighting force to fight a villain who plots the conquest of The Republic of Mexico. (imdb)

A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missiles at the U.S. The Canadian Mounted Police dispatch agents to try to stop him. (imdb)

The invaders come to Earth to create an H-bomb to blast Earth out of orbit so that Mars can take its place. (imdb)

The period is the 1820's and the first wagon train leaves Independence heading west to Santa Fe. In order to maintain his power, the ruthless Official at Santa Fe must not let them arrive and he sends out his men to stop them. The wagon train then has to endure repeated attacks but is aided by a mysterious rider that shoots singing arrows and rides a painted stallion. (imdb)

American, British and Chinese secret agents battle the Japanese Black Dragon Society, a secretive ring that smuggles enemy agents into the U.S. disguised as mummies. (imdb)

Evil villain plots to take over the world using an army of invisible soldiers. (imdb)

Mesquite banker Calvin Drake plans to profit from the Santa Fe Railroad's acquisition of right-of-way by gaining control of the land in the territory. In the ensuing war of intimidation against the ranchers, Ira Withers is killed and Red Ryder and his father, Colonel Tom Ryder, form an organization to drive the gunmen and outlaws out of the territory. Colonel Ryder is killed by One-Eye Chapin and Red vows vengeance. Sheriff Dade is in league with the Drake faction, including Ace Hanlon. (imdb)

Rocky arrives to help his friend Nugget whose shipments are being robbed. Learning the gang only goes for incoming shipments, he figures they are repacking the loot and having Nugget ship it out. So he hijacks the next outgoing shipment finding a box labeled tools contains gold bars. Then posing as an outlaw he makes a deal with the gang hoping to round them up. But the boss learns he is a Marshal and he is made a prisoner. (imdb)

Outlaws attempting to kidnap Steve Blaine from a stagecoach are ran off by the sharpshooting of his sister, Sally and rescuers Jimmy Wakely and Cannonball Taylor. Steve is investigating his father's sudden death after charges of theft from the Sloan/Carson mine. Sloan is killed after Wakely learns that ore is being smuggled across the Mexican border into the mine, and then sold at the higher U.S. prices. (imdb)

Ranchers have been having trouble with outlaws and Jimmy has been sent to investigate. When a rancher is murdered the culpit is jailed but the only witness is killed before the hearing in what is claimed to be an accident. When a rancher is framed for murder, Jimmy uses the same tactic and kidnaps the only witness. But the outlaws say that if their witness does not appear they will kill the rancher when he is released. (imdb)

Pat Croft is welcomed back home by her mother, Mary, owner of a stage and freight line, and by foreman Jimmy Wakely and Cannonball. A man, Lance Regan, that Pat met on the stage is hired by Mary when he tells her he knew a man in prison named Patrick Collins. Mason and his henchmen make an attack on an ore shipment, but are driven off by Jimmy, but Lance allows Mason to make a getaway. (imdb)

Foster (Charles Miller (IV)' , owner of the local stagecoach line in Canyon City in the 1880s, has received a Federal Franchise Commission grant and is rushing to complete a new road through the lawless Comanche Strip with the aid of his daughter, June (Kay Aldridge), and his construction foreman "Red" Kelly (Eddie Acuff). (imdb)

A group of ranchers, led by Colonel Arnold and Ward Gordon, are drilling an oil well but getting fierce opposition from an unknown gang of outlaws. Eastern promoter J.B."Dude" Dawson, is behind the gang as he is out to prevent the co-op members from striking oil before their lease expires, so he can secure the property for his company. (imdb)

The 57th of Republic's 66 serials is filled with stock footage from some of that company's previous "Zorro" serials, primarily 1944's "Zorro's Black Whip", so a lot of the footage finds Ken Curtis wearing the same costume as Linda Stirling and (mostly) her double Babe DeFreest wore in that serial. Disney now owned the rights to the Zorro character, but Republic wasn't about to let all that footage go to waste when all they had to do was create a character called Don Daredevil. (imdb)

Range Johnny Brown shoots fugitive Sinclair after a long chase, and before the latter dies he accuses his cousin Hack of framing him for a murder, so he can inherit the ranch of his Uncle Henderson. Johnny places Sinclair's ten-year-old son Dave at Ranger headquarters for safety, while he gets a job at the ranch with the help of his friend Banty. (imdb)

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

The daughter of a medical missionary in Africa carries on her father's work after he dies. She befriends two adventurers prospecting for uranium, and before long she finds herself in danger from crooks trying to get the uranium for themselves and a local witch doctor who sees her as a threat to his power. (imdb)

Dr. John Meredith, ashamed at the crime spree of his twin, Bradley, travels with his daughter, Nyoka, to Africa. There his skills as a doctor displace Shamba, the resident Witch Doctor of the Masamba. Years later, Slick Latimer and Bradley Meredith arrive looking for a local diamond mine and team up with the disgruntled Shamba. Bradley kills his brother John and takes his place. (Wikipedia)

Jean Evans of an international wildlife foundation has made herself at home in Africa as the elephant-riding, vine-swinging, miniskirted 'Panther Girl.' On safari to film animals, Jean encounters something really wild; a giant crayfish monster (created by greedy scientist Morgan who, with his henchmen, hopes to scare everyone out of the district, then secretly mine diamonds).

Edited version of the 1938 Republic serial "The Lone Ranger." (imdb)

Greedy oil speculators, led by Morgan, are trying to force Tiger Woman and her band of warriors from their jungle home. Allen Saunders of Inter-Ocean Oil wants to develop the oil, too, but fights with Tiger Woman to stop the bad guys.

An American secret agent travels to Africa to infiltrate a Nazi spy ring.

The United Nations has island trader Tom Rogers (Harry Lauter) and Vivian Wells (Aline Towne), daughter of a schooner captain, spearheading the effort to keep subversive native groups from starting revolutions in Burmatra and neighboring Asian countries, which, thank you very much, they accomplish by the end of 12 episodes.

Cowhand Jimmy Wakely gives a stallion, "Spooky", to 16-year-old Perry, vacationing with rancher Aunt Jesica, who has taken the boy from the Sheriff's Association School. Prospector "Mossy" Stevens is murdered by claim jumper Sanders and a henchman. Chased by U. S. Marshal Bill Braden, Sanders forces Perry to change clothes with him and then he escapes on "Spooky." Perry chases Sanders but is shot by Braden who thinks he is the outlaw being chased.

A boy accompanies three soldiers in their escape from the enemy in Korea. (imdb)