West of Texas

When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry stumbles upon the civilization, now buried beneath his own Radio Ranch. The Muranians have developed technology and weaponry such as television and ray guns. Their rich supply of radium draws unscrupulous speculators from the surface. The peaceful civilization of the Muranians is corrupted by the greed from above, and it becomes Autry's task to prevent all-out war, ideally without disrupting his regular radio show.

An Australian sheep man comes to Montana looking for grazing space, is opposed by local ranchers and a wealthy cattle-woman.

Jay Price's dying mother tells him his real name is Jack King and gives him a locket as proof. At the King ranch he loses the locket which is found by the foreman. Hoping to regain his proof, he hires on as a ranch hand knowing the foreman is the outlaw known as the Hawk. But trying to prevent the Hawk from rustling cattle, he is captured by the Hawk's men.

The Hurley's own a lumber mill and want to harvest all the timber in the valley. They kill the Forester and substitute their brother Dusty in his place. Dusty then says all the trees are infected and must be cut down. But Rex Allen is suspicious and writes to the Forestry Department and gets involved with the murders.

Englishwoman falls for dude ranch cowboy but goes back to England when she thinks he's only pretending. But he follows her to England.

Originally written as a stage vehicle for corpulent character actor Macklyn Arbuckle, Ernest Day's The Roundup was first filmed in 1920 with Fatty Arbuckle (no relation) in the lead. By the time the film was remade in 1941, Arbuckle's character, a roly-poly frontier sheriff named Slim (!), was refashioned as a supporting role, with Jack Benny's radio announcer Don Wilson essaying the part. The plot, however, remained fairly intact: Upon hearing that her fiance Greg (Preston Foster) has been killed, Janet (Patricia Morison) agrees to marry rancher Steve (Richard Dix) on the rebound. On the day of the wedding, who should show up but Greg, determined to raise as much Hell as humanly possible

One of four western films made for PRC by bantam-weight Bob Steele, Ambush Trail stars Steele as cowpoke Curley Thompson. The villain of the piece intends to bankrupt all the local ranchers and grab up the surrounding property for himself. But with Curley involved, the bad guy and his minions don't have a chance. The screenplay, by D. W. Griffith alumnus Elmer Clifton, is a medley of western cliches, pausing every so often for a first-rate action sequence. Perennial sagebrush sidekick Sid Saylor provides negligible comedy relief.

A phantom-like gunman is murdering the hands at the Circle T Ranch and the Range Busters are recruited by its owner to stop the "phantom". Only, the ranch owner is killed before they can arrive. First film in the Range Buster series.

In an effort to get Jim Martin to sell his ranch, the Halsey brothers have kidnapped his son Tom. When Bob Burke goes after him alone, he gets help from the gang known as the Riders of the Sage.

A cattle buyer, a federal agent and a newswoman snip a railroad plot.

A singing doctor on horseback heals a feud between cattlemen and copper miners.

A landslide has diverted water from the Baldwin ranch to Cambert's. With their cattle dying, Cambert refuses to let them have any water. Easterner Larry Knight takes a job with the Baldwins and he has a plan to divert the water back to the Baldwin ranch. But Phil, jealous of Kitty's attraction to Larry, lets Cambert know of the scheme.

Carefree Chuck Connor is on his way west and stops off to see an old friend and his four lads. When his host is killed in a riding accident Chuck realises he must take care of the family. They hit the road and he takes a job on a ranch, but he has to keep the children hidden as his boss hates kids. There's also tension with the neighbouring ranch, and when a girl on the run from her nasty uncle joins the family unannounced Chuck wonders what he has done to deserve all this.

In old Spanish California, dashing cattleman Juan Obregon returns to the rancho of his friend Gaspar Melo, to find he's fathered a son on Rosa, one of Gaspar's identical twin daughters. Overjoyed, he plans to formalize his "unofficial" marriage. But trouble brews; Melo's land is of unclear title and the new Don Domingo hopes to grab it for his own profit. Violence results. Without even knowing who survived, Juan (accompanied by Rosa's tomboy sister Tonya) rides for revenge, through spectacular pastoral and wilderness scenery.

A posse, hunting the assailant of Denton's Partner, captures Steve Carlisle (Charles Starrett), who identifies himself as a mineralogist sent to check the area for quartz for radio parts. Calling at the Denton ranch, Steve hires Cannonball Mullins (Dub Taylor), who has just been fired by Jane Fielding (Vi Athens), Denton's ward. Steve learns that she wants to sell the ranch to the Empire Syndicate. Paul Edwards (Lloyd Bridges), syndicate representative, plans to convert the ranch into a swank hotel-gambling operation. At a party which Jane gives for Edwards, Hiram Denton (William Gould), is murdered and Steve is accused. He and Cannonball escape before the sheriff can take them into custody, and in searching for evidence find that Jane and Edwards are married and have done the killings in order to gain the ranch.

There is a range war between the ranchers led by Tilden and the outlaw gang of Link Carson. Wanted outlaw Dude Ramsey arrives and joins up with Tilden. First he saves the ranchers from Carson's trap and then exposes Pearson as Carson's informant and killer of Steve Warner.

Six-year-old Sugar Grey has inherited a ranch, which she will lose to her cousin Jeff Grey if a certain number of cattle aren't delivered on time.

Kittridge is hired by the villans but turns to defend the rancher Saxon after learning the true situation. Kittrige wins Saxon's ranch with a cut of the cards but Saxon has other reasons for loosing the gamble. Telford and Lake try everything from bushwacking to setting a wildfire to stop the Saxon/Kittridge herd of cattle from reaching the railhead.

Railroad agents frame a landowner who wont sell out to them.

A drifter helps a ranch couple fend off the approaches of a ruthless landowner.