The Purple Domino

Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Nazi agents operating within the US, led by the treacherous sabotage leader codenamed The Mask.

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.

The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron; a conspiratorial team of spies and no-goods pursue him to Alaska, trying to steal the device.

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

Dusty Bates observes some smuggled jewels hidden in a crate aboard a ship; he is pursued by low-lifes when the crate is put ashore.

A young girl journeys to Africa to find her father, an explorer who vanished in the jungle.

A little girl and her father are among the settlers in a small western town. The father is very friendly with the neighboring Indian tribe and is presented with a quaint piece of metal representing a dragon's claw, the tribe's good luck omen. Some time later, while traveling with his daughter, he is held up by a band of bandits and shot dead. A bandit takes from him this dragon's claw. Years pass. The little girl has grown into a beautiful young lady. She marries. Their love is very real and their life most happy. He decides to go out west to see a mine that yields the richest gold and his wife expresses a desire to go along with him. The mine is christened "The Dragon's Claw," because of an Indian charm the man owns. While out on a western desert, he shows the dragon's claw to his wife. She then recognizes it as the kind her father possessed when he was killed. She has understood it to be the only one of its kind. She now believes it is her husband who killed her father.

Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of the Earth. Unfortunately for him, reporters oppose his sinister designs.

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.

Congo Bill is hired to locate an heiress lost somewhere in Africa.

Adele is courted by Algernon, a delicate young man. They attend a boxing exhibition, and Adele becomes enraptured with the manly art. Algernon starts to take lessons and is given some painful maulings at the gymnasium by the instructors, who delight in battering the "Willie-boy." Adele also takes lessons and accidentally receives a left hook on the jaw, which destroys all her interest. She writes a note to Algernon, expressing her dislike for boxing, and as he gazes at his bruised and battered countenance in the mirror and realizes it has been for naught, he presents a laughable appearance.

Arrested for speeding by highway patrolman Bill Rolph (Robert Paige), J.W. Brady (Robert Middlemass), the president of an oil refinery, offers him the assignment to find the culprits who have wrecked his gas stations, hi-jacked his trucks and attempted to blow up his plant.

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is developing an interplanetary craft. If the extraterrestrial Purple Monster can complete the rocket ship and return to Mars, he will be able to start a full-scale invasion of Earth. Good thing Craig Foster sets out to thwart the Monster's mission!

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the researcher come looking for him. Adventure ensues.

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Government agents try to thwart smugglers, while some sort of plot unfolds, about a hidden treasure revealed by cursed coins.

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.

Beatrice Fairfax, the original advice-to-the-lovelorn reporter and her friend and not-so-secret admirer Jimmy Barton investigate calls for help and escape exotic perils and dangers. Episodes include exciting and fun stories of baby-napping, blackmail, jewel thievery, disguise, counterfeiting, and the long-unseen episode featuring entrancing cult starlet Olive Thomas and the real New York Yankees and Giants playing a game in the Polo Grounds.

Mystery and adventure, surrounding a stolen rubber harvest.