When an experimental atomic rocket crashes somewhere off-radar, its three developing scientists are joined by three Air Force men in tracking it down to a small Pacific island, where it apparently has landed on the plateau of the island's steep-walled, taboo mountain...
A mad scientist changes his simple-minded handyman into a werewolf in order to prove his supposedly crazy scientific theories - and exact revenge.
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.
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.
Mad scientist injects his enemies with acromegaly virus, causing them to become hideously deformed.
When a small town doctor buries his twin brother, a practitioner of the black arts, he believes him dead; but subsequent events force him to realize that his brother has, in fact, returned from the dead as a vampire and is seeking revenge on the doctor, who had killed him in self-defense.
One dark and stormy night, an escaped convict, an embezzler, a runaway daughter, her intended and her father, and a gangster take refuge in a remote inn called "The Black Raven" after the nickname of a second gangster who owns it; and murder ensues.
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.
A card sharp steps in when a Mexican family's ranch is threatened by swindlers and cheats.
A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard his private ship.
Billy the Kid is framed for murder.
The Lone Rider Tom assumes a former outlaw's identity (Keno) to learn where the gold from his last big heist is hidden. He tries to get the info from Blackie Dawson, but Blackie gets suspicious.
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.
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.
A murderous bank robber on the run from the law hides out in a small town.
A couple of crooks have repeatedly sold the Circle C Ranch to unsuspecting buyers, whom they summarily rob and kill before signing the papers. Enter Fuzzy Jones, whose cousin Luke was one of the unlucky would-be ranchers, and Rocky Cameron who goes undercover as a fellow outlaw to catch the murderers.
Suspecting that a safari guide is a wanted killer, undercover policeman Geoffrey Bishop (Richard Fraser) joins a safari led by the suspect for a scientist that hopes to find and prove that a fabled white gorilla is a missing link.
Michael Shayne is a private detective who is disliked greatly by Pete Rafferty, local chief of police detectives. Rafferty notifies the newspaper press that he is going to close Shayne's agency, just as Michael is about to be hired by the wealthy Eleanor Ramsey, who is being blackmailed. She is the stepmother of what she considers to be two grown-up brats, Dorothy and Ernest, and she considers their father to be of little value to the world himself. They all conspire to get their hands on her money, even to the extent of attempting to hire Shayne to frame an insurance robbery. Mrs. Ramsey is murdered, and Rafferty is trying to pin the killing on Shayne, despite the fact that suspicion points to Buell Renslow, brother of the slain woman. Shayne's secretary, the fetching Phyllis Hamilton, decides to do a little detective work to help her boss.
Head over heels in love with a stern and cold older businessman's young wife, a reporter is seduced into conspiring to murder him so she can inherit his estate, while pinning the murder on another businessman.
Kenneth Seeley, member of the U. S. State Department's Foreign Service Bureau, and Marge Weldon, a morale worker with the bureau, are assigned to an area in Mongolia dominated by an outlaw warlord. The latter captures the village where they reside and when escape is clearly impossible, Seeley blows up the outlaw's headquarters, losing his own life in doing so.
