A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.

A man is shipwrecked on the island of a cruel Count and taken prisoner.

At least 10 percent of the 58-minute Eddie Dean western Shadow Valley is comprised of stock shots from earlier Dean oaters. This time, the star plays as U.S. marshal who comes to the rescue of the standard damsel in distress (Jennifer Holt, sister of Tim and daughter of Jack). The double-dyed villain (George Cheseboro) is a crooked lawyer (and former train robber) who wants to lay claim to the heroine's ranch.

Crooks discover a Genghis Khan treasure ship on the Canada-Alaska border but the treasure is hidden somewhere on land. In their efforts to find the hidden treasure they resort to murder and sabotage to stop the construction of the Alcan highway which will bring homesteaders to the area. Sergeant Royal of the Royal Canadian Mounted Police battles through 12 episodes to find the crooks and to learn the identity of their mysterious leader known only as 'The Boss'.

Doc Lockwood and his gang are trying to take away Autry's contract for supplying horses to the stagecoach line. Parson Brooks joins Autry in an effort to clean up the town of Sadderlock.

When Hadley finds gold on his land, Kirby kills him and then goes after Hadley's ranch. After Eddie Dean foils Kirby's robbery attempt, Kirby forces the assistant land agent Tuttle to sell the ranch to him. But Eddie learns of the forgery thru Tuttle's boss and goes after Kirby.

A rich, dying Easterner hires gunfighter Brad Ellison to find his brother and heir in Mexico. En route, it becomes clear to Ellison that his is a dying profession. At a remote rancho, Ellison enlists ranch foreman Miles Lang to help him search the hills where the missing man is rumored to have lived. They find nothing ...except that someone wants to kill them; and Ellison becomes wrapped in a maze of double crosses.

Director James B. Clark's western, set in 1848 California, is about a brother and sister battling a crooked businessman over property rights.

Cheyenne has been ordered to take a vacation so Fuzzy has him go to a ranch of a friend. When they arrive at the El Lobo ranch, they find that his friend is dead and they want no visitors.

Jim Bannon is back as enduring cowboy hero Red Ryder in Eagle-Lion's Roll, Thunder, Roll. As ever, Ryder's cohorts are Little Beaver and the Duchess, here played by "Little Brown Jug" and Marin Sais. This time, Ryder tries to prove that a series of cattle raids and ranch fires were not the handiwork of masked Mexican do-gooder El Conejo.