Town banker John Martin calls on Billy and Fuzzy for help in capturing the men that robbed his bank.
Medicine show proprietor Doc Lattimer has in his possession a map showing the location of a cache of stolen gold. His son Don favors keeping the gold rather than returning it to the express company to which it rightfully belongs, and steals the map, only to find himself menaced by outlaw leader Cal and his gang.
Kirby sends his henchmen to break killer Matt Brawley out of jail. But Brawley has already broken out and they return with Fuzzy instead. Realizing they think he's Brawley, Fuzzy plays the part. He and Bill plan to round up the gang but Fuzzy is in trouble when the real Brawley shows up to expose the hoax.
While Fuzzy is waiting for his mail order bride, McCallister frames him for murder. McCallister then advises Matilda to marry Fuzzy so she will get the money when he is hung. But Billy breaks up the wedding and goes after the real killer.
Billy the Kid has been wrongfully arrested for robbing a train. In order to prove his innocence, the Kid breaks out of jail and hits the trail to search for the real robbers. Along the way, he discovers that an outlaw band has been impersonating upstanding ranchers.
Billy joins an outlaw band led by woman to clear his name of their crimes, which are being blamed on him.
A cowboy and his sidekick track mail thieves to a hide-out.
Billy Carson, looking for rustlers, kills Bradley in a gun fight. Arrested, the judge finds him innocent but jails him anyway. When the rustling resumes he is released and posing as a Mexican cattle buyer he hopes to trap the culprits.
A crooked lawyer and his gang are trying to steal some government land meant for a stagecoach company. The company hires a cowboy to stop them.
Knowing the Army is arriving to establish a post. Doc Hagan and his gang and the crooked Sheriff are trying to drive the ranchers off the land. When the gang wound a rancher, the Doc finishes him off with his needle. Running from the law again, Billy and his pals arrive and take up the ranchers fight. But when Billy's pal Jeff is wounded, Fuzzy unknowningly takes him to Doc Hagan.
When Billy Carson's uncle is lynched as a supposed rustler, Billy arrives looking for the murderers. He finds that Steve Kirby holds a forged note on his Uncle's ranch. When Kirby sees that Billy means trouble for him, he has him framed for murder. Then just as he is inciting the mob to lynch him, Billy's new friend Doc Jones is trying to break him out of jail.
Fuzzy's niece is killed in a stagecoach hold-up. Billy and Fuzzy quickly learn that the culprit, who not only killed all the passengers but also absconded with $40,000, may be holed up in lawless Pecos City.
Billy the Kid and his pal Jeff help their friend Fuzzy Jones escape from jail, and the trio heads for Paradise Valley, where they find the Paradise Land Development Company, ran by Matt Brawley and Jack Saunders, is somewhat less than honest in their dealings with the homesteaders. They devise a plan to cause a split between Brawley and Saunders.
A cowboy and his sidekick fight evil guys who want to rustle cattle in order to get hold of land.
When a group of gunmen are running sharecroppers off their land, rancher Andy Jones sends for his friend Billy Carson to organise the sharecroppers to fight. Andy is soon mortally wounded by the gunmen, but before his death schemes for his no good twin brother Fuzzy to be sent for to impersonate him. The gunmen, witnessing Andy's funeral fear that Fuzzy is Andy's avenging ghost.
With the railroad coming to Red Rock, trouble is expected and Billy has been sent to help his friend Fuzzy who is the town's sheriff, judge, and barber. When the man that sent Billy is murdered and the railroad location map stolen, broken match sticks point to Vic Landreau. While Billy tries to find the missing map, Landreau suspects Billy is on to him and plans to have him killed.
Steve Kinney and his henchman, Mort, are trying to stir up trouble between the local ranchers and farmers, behind a wave of rustling and lawlessness. Mort kills Vic, a Kirby cowhand, and lays the blame on Dan Harper, the leader of the farmers faction. Storekeeper Fuzzy Q. Jones, fearful of losing the outstanding charge-accounts he has on his books, drags his reluctant pal, Billy Carson, into the fray, and the two soon prove Kinney and his henchmen to be behind the valley's troubles.
Billy Carson is accused of the crimes committed by his dead-ringer, outlaw cousin Jim Slade, and barely escapes a lynching. With the aid of his pal Fuzzy Jones, Billy catches up with his cousin and clears his own name.
Billy Carson arrives in King City looking for two men and kills them both. Caught by the Marshal he tells his story.
Billy the Kid and his pal Fuzzy escape from the Marshal and find themselves in the ghost town of Laramy. The city was abandoned because of Sykes and his gang, who are in search of a gold mine.
Billy the Kid and his pals Jeff Travis and Fuzzy Jones are arrested and brought to Fort Culver, where Billy is amazed to discover that he and the post commander Lieutenant Ted Morrison, are exact doubles.
Fuzzy and Billy discover a woman they rescued during a stagecoach holdup is actually a member of the holdup gang.
Stanton breaks Billy and his two friends Fuzzy and Jeff out of jail. He wants them free so three of his men can impersonate them for the robberies and murders he has planned.
As a 32nd cousin of the recently deceased Silas Stockton, Fuzzy heads for the reading of the will. The bad guys are after the Stockton estate and plan to kidnap Helen Stockton, the primary heir, and replace her with a stooge. When the henchmen catch her she is with Billy and Fuzzy so they kidnap them also. But the three escape and Billy then heads out to find the culprits.
A Robin Hood-type outlaw rides the range and helps others. Another outlaw who looks just like him tries to cash in on the other outlaw's reputation.
Dawson is running rustled cattle across the abandoned Trenton ranch and has given it the reputation of a ghost ranch to keep people away. When Henty Tenton arrives from England to take over the ranch, Dawson tries to get rid of him. But Billy and Fuzzy are on hand to help Henry and it's not long before they have to go into action.
Billy and his pals, on the run from the law again, travel to Sage Valley where Billy is made Sheriff. The local outlaw gang is run by Kansas Ed who closely resembles Billy. Ed captures Billy and changing clothes with him, now plans to run the town as Sheriff.
Fuzzy purchases a saloon with a large sack of gold from the mine he owns with his partner Billy. When a crooked lawyer uses underhanded methods to try taking over the saloon, Billy works to bring the lawyer and his no-good gang to justice.
Billy Carson and Fuzzy Jones have just collected a reward and Fuzzy indulges in a dream of getting away from the hectic life he has been leading and wants to settle down. They arrive in Red Rock just as the newspaper is being sold at foreclosure and, despite the attempts by Lafe Barlow to intimidate him from bidding. Fuzzy finds himself the owner of a newspaper. Fuzzy meets Edith Martin, daughter of the former owner, and unthinkingly commits himself to carrying on her father's policy of bringing a telegraph line to Red Rock. For reason of his own, Barlow is against this and has his henchmen wage a campaign of terror against the ranchers and citizens. Before long, Billy who had been lazily indifferent to everything connected to Fuzzy and his newspaper, decides to take a hand on the side of the good guys.
A feud develops between the settlers and the railroad detectives in Red Rock Valley. Clem Barstow sends for Billy the Kid and Fuzzy Jones to help.
A honest stranger arrives in Devil's Gap and helps the local sheriff expose the murderer of a rancher.
Billy the Kid is framed for murder.
A gang of swindlers takes advantage of simple-minded Fuzzy Jones.....
When Sheriff Hanley sends for Billy and his pals, they arrive to find him murdered and Ed Slade temporary Sheriff.
Billy the Kid and Fuzzy Jones are on their way out of Arizona being chased by some riders who hope to cash in on the reward money for their capture. They are warned in time by Ed Dawson, but Ed is wounded in the getaway. They get a doctor to attend to Ed. The latter tells them there is a range war in progress across the border and that he is looking for men to help make a cattle drive to the rail junction.
A lawman stages a prison break so a gang of imprisoned robbers will lead him to their hidden loot.