Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.
The struggle over the Bellamy estate ends with Michael Bellamy accused of murder and killed on the way to prison, while his brother Abel Bellamy takes control of the estate for his own nefarious plans.
When silver is found in Virginia City, Lawyer John Storm leads a group from Indiana west. He soon has to defend them all in court against a company that is after their claims. Fighting a crooked Judge, he gets a mis-trial by telling how much each of the jurors was bribed. Then he gets the Governor...
Disguising himself as a milquetoast Easterner who writes Western novels, Hoppy enrolls in a dude ranch in order to unmask the murderer of the owner's husband.
Marshals Nevada and Sandy are after Scully and his gang who have been robbing stage-coaches. The Texas Kid is part of the gang and Sandy thinks he is bad but Nevada knows him and thinks he may be good.
The Shadow battles a villain known as The Black Tiger, who has the power to make himself invisible and is trying to take over the world with his death ray.
Forest Ranger Tom Corbin patrols the lumber grant of the McFarland and Williams Lumber Company, party owned by Dale McFarland. Tom discovers that Bart Williams is systematically cutting excess timber and falsifying his timber reports to the government. Williams is assisted by "Bull" Riley, who,...
Anita Morell arrives by stagecoach in a small California town to find her father murdered and his property being stolen by two unscrupulous townsmen. She receives help from a sympathetic lawman and from a masked rider known as "the Black Shadow" whose whip-scarred back is evidence of his own grudge...
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...
A lawyer by training, Bob Millburne (Don "Red" Barry) believes in relying on the legal system to exact justice. But he can no longer sate his thirst for vengeance, fueled by the death of his parents at the hands of a bloodthirsty mine jumper. Frustrated and fed up, Bob decides it's time to dust off...
When headstrong pilot Bill Kellogg disobeys orders and takes a plane to photograph potential landing fields in uncharted Latin American country, he ends up running out of gas and crashing. The members of a nearby tribal village save Bill from the wreckage, but arent willing to help him get home.
Hopalong Cassidy, boss of the Bar 20 ranch in Texas, rides down the Camino Real in the New Mexico cattle country near Alamogordo, in response to an urgent message from his lifelong sweetheart, Nora Blake, who is in serious trouble. Before he and his saddlemates, "Lucky" Jenkins and "Pappy", can...