Larry Darmour Productions

George Hollister, crack investigator for the NYC police, is assigned to run down the enemy aliens who dynamited a Detroit munitions plant. The trail takes him to a customs inspector who is known to have honored fake passports provided by Leon Fenten, chief henchman of Drexel Stuyvesant who heads the sabotage ring. Aided by his partner Ray Nolan. Hollister arrests an agent named Reed and takes his place using the fake passport. As Reed, he is met by Karol Roy, an innocent assistant, who takes him to Fenten. Working undercover, Hollister is still unable to learn the name of the head man, not even from dumb gang-member Hank Kircher. Stuyvesant warns Fenten of his suspicions about "Reed" and the latter gives Hollister an assignment as a test.

In this drama, a trucker's business is nearly destroyed after he is wrongfully accused of killing a policeman with whom he recently quarreled.

The Crime Doctor gets involved in the case of the poisoning of a wealthy industrialist.

A German village is stricken by a series of murders that appear to be the work of vampires.

In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was

A dying millionaire marries his nurse for companionship, only to experience a miracle cure.

A drifter claims the money in an old bank account. Soon he finds himself the target of two men who turn out to be the sons of the man's old partner, who is now in prison because of a conflict with him over the money in that account.

A classic "B" featurette about "smugglin' in Chinamen for $300 a load"

In this drama, a New York physician takes a much-needed vacation down South. Unfortunately, he encounters a nurse working in the backwoods and ends up helping her to combat an epidemic that rages through the mountain communities. The doctor she works for prefers traditional herbs to modern medicine.

Working undercover, Rangers Bob and Wally arrive to take up ranching. Out to stop them is Bill Nash and his men. When Bob plans to file on a ranch, Nash finds out and heads for the Registrar ahead of him.

A man is framed for embezzlement and runs off to San Francisco. His wife hires Ellery Queen to try and track him down before the police get to him.

A film producer is found murdered on a ship, and among the suspects are a young woman whose mother was mistreated by him and his recently fired electrician.

A private detective is hired to find a young heiress but finds himself accused of murder.

A criminal psychologist tries to help a beautiful heiress going mad in a haunted mansion.

Montana and sidekick Pancho hire on at the Lopez rancho to fight Daggett and his outlaw gang. But Lopez's foreman Barnes is one of Daggett's men and he frames Montana for murder.

While on vacation, a criminal psychologist investigates a murder during a typhoid epidemic.

Western featuring a thrilling stagecoach race.

Fearing that his recently-acquired step-mother, Ann Dennis, is competing with him for his father's affections, and saddened by the death of his dog, young Danny Mitchell seeks consolation in the companionship of a ferocious, Nazi-trained police dog, Rusty, brought to the U.S. by a returning WWII-veteran. The step-mother, with tender understanding, eventually wins Danny over while Danny pacifies his new dog.

A criminal psychologist treats an artist whose blackouts coincide with a series of murders.

A reporter itching to get off the boring gardening "beat" gets a chance to investigate a series of arson fires that have been plaguing the city. He believes the fires are tied into a web of political corruption involving a wealthy businessman, the mayor and the police chief. Complicatins ensue when the girl assigned to help him turns out to be the businessman's daughter.