Arizona Territory is in the grip of outlaw terror and killer outlaws, secretly organized by Hulon Champion, who covers his power ambitions with the guise of a respectable firearms merchant. Hoping to eradicate the lawlessness plaguing the newspaperman Fred Gately prints a letter asking the president to visit the area. But Fred's killed by secret gang leader Champion, who also plans to assassinate the president. Undercover officer Rocky Lane teams with his assistant, Nugget, and Fred's spunky daughter to combat Champion's head gunslinger.

Hoppy goes undercover as a gambler from the East when Bar 20 cattle are stolen by unknown rustlers. Brennan/Talbot are twin brothers (one a casino owner, the other a rancher) and Hoppy believes they provide alibis for each other while one is out committing crimes. Hoppy gets a job in the casino to learn more but is exposed when a gambling gunslinger notices him.

Following the Civil War, the U.S. government sets out to find a gang opposing the construction of telegraph lines in the west. They suspect Braden, who had formed a guerrilla band and destroyed the telegraph service during the war. Government agent Steve Duncan, who also works undercover as The Durango Kid, starts to run down the gang with only a picture of Braden for a clue. Steve is ambushed by an outlaw and left for dead but is rescued by Smiley, who takes him to a trading post ran by a man named Miller. Steve recognizes Miller as Braden, who tells him he is being falsely accused of crimes actually committed by Sloper.

Lassiter's sister was killed and her young daughter taken and raised by outlaws. Years later Lassiter arrives at the Withersteen ranch looking for the now grown daughter. He immediately gets caught up in the ranch's struggle against rustlers. Trailing a rustled herd of horses leads him to the rustler's hideout and the missing daughter.

Lassiter discovers the judge who cheated his neice of her inheritance leads a gang of bad guys posing as vigilantes. This 1941 Fox production stars a young George Kennedy as Lassiter.

A Texas Ranger is faced with the task of bringing his outlaw brother to justice.

Grace Hopper dedicated her life to bringing computers to the masses, when most supposed the technology was only useful for scientists and the military. Through her genius, she taught software English, so that everyone could communicate with computers.

Hoodlum Tommy Shay is sentenced to die for the murder of Police Lieutenant Carson, although Tommy was in a poker game at the time with a man calling himself "Denver" Collins. Collins has disappeared, and perjured evidence leads to Tommy's conviction. Tommy's younger brother Danny and his gang of alley kids,"The Little Tough Guys"--- "Sailor", "Murphy", "Monk", "Trouble" and "Yap"---scheme to save Tommy from the electric chair. Police Lieutenant John Lewis, who arrested Tommy, believes he is innocent and goes to the District Attorney and tries so insistently to have the case reopened that he is demoted to a patrolman in the sticks. Bob Lewis, John's son, a radio bug with detective ambitions, starts out on his own to solve the crime and help his father. Searching for Collins, Bob meets Danny and the Little Tough Guys and they join forces.

Just after the Oklahoma Panhandle was annexed into the united states an ex-lawman turned newspaper man arrives to town to civilize it. He brings along Frog, a photographer and Sunset Carson as muscle. The seedy element in the territory doesn't want law and order and they plot against them and try to stop Sunset Carson being sheriff.

Tetsuya Watari, a modern youth idol, co-stars with Tetsuro Tamba for the first time, and a young man who survives freely is an action giant who swings down the iron arm of justice and anger toward evil