In the late 1880s, Colonel Carrington and his command are assigned the job of constructing a chain of forts in the Sious Indian territory of Wyoming. Carrington recruits former cavalry scouts Jim Bridger and "Dakota Jack" Gaines to lead the project. Bridger and Gaines are friendly with Sioux chief Red Cloud, and they feel a peace treaty with the Indians can be made. If an Indian-war breaks out, the cavalry is depending on getting a new type of Springfield rifle. Bridger, Gaines and Gaines wife, Maxine, arrive at the fort for the conference. Gaines, in a drunken fit, tries to intimidate the Indians unto signing a treaty. Chied Red Fox threatens war if his territory is invaded by any troops building forts.
Wounded while stopping the James gang from robbing the local bank, a cowboy wakes up in the hospital to find that he's been elected town marshal. He soon comes into conflict with the town banker, who controls everything in town and is squeezing the townspeople for every penny he can get out of them.
While trailing Forest Ranger Charles Carter, who is suspected of permitting lumber man Henry Mitchell to cut restricted timber, Gene fires at a dangerous mountain lion and apparently kills Carter. Actually, Bill Wright, Mitchell's associate, killed Carter because the ranger had discovered tussock moth infestation in the forest, and if the infestation was not reported, the trees would die and have to be cut, thereby profiting Mitchell and Wright. In order to compensate the best he can, Gene sells his sportsman's camp and gives the money to Carter's daughter Helen . En route to Texas, Gene discovers the infestation and is assigned by the Forest Department to supervise the program of spraying the area with DDT from the air. After the first day of spraying, the DDT is blamed by furious stock men for the many animals found dead of poisoning.
After she's caught sleeping with the ranch hand, Cheyenne (Bobbie Phillips) shoots her good-for-nothing husband and takes off with his money. Her hubbie doesn't want to part with her, however, and now the feisty Cheyenne has not one, but two bounty hunters on her tail. Jeremiah (Gary Hudson) may think that he's the best bounty hunter on the frontier, but Haddox (M.C. Hammer) and his evil dwarf Razor (Bobby Bell) have their minds set on bringing Cheyenne in, even if they have to take out Jeremiah just to get to her.
A crooked real estate manipulator sells worthless land on mortgage to flood refugees, then tries to profit by reselling the land to the state, committing murder in the process, as the Three Mesquiteers work to bring him and his gang to justice.
Ted Daniels, a ranch hand working for a rodeo, captures a magnificent wild horse that he tames and trains. As Ted is recovering from an accident that happened during a rodeo, the rodeo owner cheats him out of his horse. Ted must decide whether to pursue him and try to recover the horse, or whether to settle down with the doctor's daughter who is nursing him back to health. Written by Snow Leopard
A legion of demons have been unleashed creating an apocalyptic America. Pike leads a group of survivors fighting demonically possessed corpses through the wasteland trying to make it to Jawbone, while The Magistrate is creating an army of cannibal corpses to serve him. What will be required of Pike to defeat this legion? It all started in Jawbone and it will all end in Jawbone."
Mountie Matt O'Brien is assigned to escort Miss Owens to a remote outpost. But when he finds an illegal mining operation there that is smuggling gold across the border, his superior Sgt. Means orders him to leave.
Roy returns home to fine a range feud between the cattlemen and the sheepmen. When his friend is killed he finds the rifle had a defective pin. He learns the rifle belongs to a ranch hand named Barker and that a third party has caused the feud. When he captures outlaws trying to blow up a dam, he claims Barker was the killer. But Barker has switched rifles and the outlaws now accuse Roy and Roy finds himself in trouble.
Jeff arrives in town to see the Sheriff only to find him just killed. The culprit is Clay Wheeler. When Jeff becomes friendly with Letty, Clay sends his man Ortega to kill him. Jeff foils the attempt and gets him to confess that Clay was the killer. With only old-timers Lafe and Bill to help, Jeff heads after Clay and his gang.
When the showboat hits town, two men use the parade as a distraction to rob the bank. Their accomplice is Pop, the clown from the showboat. He leaves the money on the boat and tells his daughter Patsy to bring it to him at a later stop on the river. Gene's investigation of a bank robbery takes him to the showboat where he becomes a performer. Gene and Frog try to find the money while helping Patsy and her father.
Deputies Gene Autry and Frog go up against modern cattle rustlers. These rustlers use technology such as, airplanes, radios and refrigerated trucks to steal the cows, butcher them in the field and ship them out before getting caught. This causes the town to bring in a modern NYC detective to catch the crooks, but will Autry and Frog be permanently out of a job?