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...
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.
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.
A mad scientist changes his simple-minded handyman into a werewolf in order to prove his supposedly crazy scientific theories - and exact revenge.
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.
A lawman stages a prison break so a gang of imprisoned robbers will lead him to their hidden loot.
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.
An agent searches for a psychopath guilty of robbery and murder, and falls in love with a murder victim's sister.
One man wants to control all the land in the state to graze all his cattle. His band of outlaws are raiding ranchers and homesteaders, trying to drive them out. Rocky and Fuzzy are brought in to help stop the raiders and keep the land for the small ranchers and homesteaders.
Various performers and backstage crew come under suspicion when a dancer is found murdered at a burlesque theatre.
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.
The passengers and crew of an airplane are stranded in an unfamiliar jungle. Unknown to most of the survivors is a criminal among them who caused the crash.
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.
Dorn is after the rancher's land and is trying to stop Banker Brady from helping them. When his man Hammond kills Brady, there is a run on the bank. When Rocky volunteers to ride to the next town for money, he is ambushed by Dorn's men, loses his memory, and is jailed for supposedly stealing the money.
Frontier justice is meted out over the suspicious death of a railroad mogul's partner.
When they learn that their brother Matt Denton is awaiting trial in California, charged with train robbery, deputies Tom Denton and Fred Denton leave their home in Fort Grant, Texas and head west. They arrive in Tulare just in time to rescue Matt from being hanged, but a guard is killed during their escape. Ed Larkin who framed Matt, falsely accuses them of a long list of crimes. They return to Fort Grant so that Tom can see his sweetheart Laura Brook. They encounter outlaw Bill Devlin who persuades them to hold up a train which Laura unwittingly told them would carry a large payroll. Soon the whole territory is enraged at their deeds. They return to Fort Grant to hold up the two banks that are filled with huge sums of cattle money.
A man accused of planning a prison break turns the tables on escaped cons by leading the group into the desert.
Billy joins an outlaw band led by woman to clear his name of their crimes, which are being blamed on him.
Escaping from the law once again, Billy, Fuzzy, and Jeff ride to the ranch of Jeff's uncle only to find another family living their. They soon learn of Cobb Allen's scheme where he sells a ranch, makes sure the rancher can't pay off his note, kicks him out, and resells the ranch. But Billy has a plan to recover the ranchers' money and he sends Fuzzy to town with a fake map to a gold treasure.
