When his well-meaning sidekick (Smiley Burnette) buys a cow farm instead of a cattle ranch, singing cowpoke Gene Autry prepares to embrace the dairy business. But with a corrupt association bent on driving up milk prices, it's up to newly elected Sheriff Gene to clean up the mess. Country music icon Patsy Montana sings "I Want to Be a Cowboy's Sweetheart," while radio crooners the Texas Rangers perform alongside Autry.
Noon is a gunfighter who has become amnesiac. Helped by Rimes, an outlaw who has befriended him, he tries to figure out who he is actually. It gradually appears that his wife and kid have been murdered. As time goes by, Noon also recalls a fortune hidden somewhere. Niland, a scheming judge, and Peg Cullane, a greedy will do everything to prevent Noon and Rimes from achieving their end while Fan Davidge, a woman living in a ghost town, will support them.
A man is arrested, tried and convicted for a robbery that was actually committed by someone else. After he gets out of prison, he goes in search of the real robbers.
Having helped his father escape the law, Jim Curtis heads north with the Marshal chasing him. He and his pal Snicker elude the Marshall by changing clothes with two actors. Now forced to do vaudeville skits, Jim finds the man responsible for his and his father's problem working in the same saloon.
Henry Jethrow is after the Wilson ranch. He has George Wilson unknowningly sign a note for the ranch, has him killed, and then presents the note. The Pinto Kid, investigating cattle rustlers, accidentally drops his glove at the murder scene and now has a price on his head. He has Beth Wilson turn him and use the reward money to reclaim the note. Now he has to escape jail and find the real killers.
Easterner Madeline Hammond buys a ranch not knowing Hayworth is using it to smuggle ammunition across the border. When trouble starts, she brings back Gene Stewart ex-foreman who left the country after fighting with the Sheriff.
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.
Union officer Kerry Bradford escapes from a Confederate prison and races to intercept $5 million in gold destined for Confederate coffers. A Confederate sympathizer and a Mexican bandit, each with their own stake in the loot, stand in his way.
Murphy plays an ex-Quantrill's Raider who's released from jail with buddy Cooper to be deputized as Arizona Rangers in order to hunt down the remnant of the gang, rumored to he hiding out in a town "neer dee border" in the words of the loose-lipped saloon dancer. The goons are found hiding in an Indian mission. Murphy and Cooper pretend to want to rejoin the gang, but the bad guys catch on and brutally beat Cooper, who protects Murphy's true sentiments to the death.
Poachers are harassing toll road owner Jen Larrabee. They want her land because it holds valuable minerals. Autry and the Cass County Boys, mistaken for Texas Rangers, help out.
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.
Jerry Mason, a young Texan, and Jake Benson, an old rancher, become partners and strike it rich with a gold mine. They then find their lives complicated by bad guys and a woman.
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.
Hoppy, California and Lucky take refuge from a storm inside a supposedly abandoned church outside a ghost town, only to meet a young woman and her mother there, then find themselves surrounded by a gang of "workmen" intent on tearing down the church if they have to kill the five to do it.
Stony's brother George has been accused of murder and the Mesquiteers have returned to prove his innocence. But they find that Harvey rules the town along with his stooge Sheriff Gray and that George won't get a fair trial.
To scare the squatters from the cattle country he claims as his own, rancher Ed Sampson orders the Martin farm house burned. Galt Martin is killed, and his eldest son, Joe, is pistol-whipped. Timmy Martin sees the killer, Cass Becker and points him out when he and Joe are in Painted Flats. Cass forces Joe to put on a gun but Ned East, a retired gunfighter, saves the inexperienced Joe by forcing Cass to draw on him, and Ned is the winner.
A masked hero called "The Eagle" leads California ranchers in a struggle against Russian Cossacks who are plotting to take over California and turn it into a Russian colony.