It's 1861 and Buck gets the business men of Sacramento to establish the Pony express. Hawley runs the stage line over the same route and has the U. S. mail contract. When it looks like the Pony Express will be awarded the mail contract, he gives guns to the Indians and has them attack both the riders and the stations.

Truck drivers Steve Hackett and Bill Purvis are fired from their jobs with the West Coast Trucking company for not using second-gear going down steep grades. Davis, the company vice-president, surprisingly asks them to carry a load of merchandise to Arrowhead and offers a $1000 bonus. He tells them it is a load of lettuce. Several miles out of Los Angelese, they are stopped by a mob of lettuce-farm workers on strike. When the first crate is tossed off the truck, it explodes and the two pals learn their merchandise is a cargo of dynamite. The workers let them proceed and they crash into a car driven by Mary Stevens, whom they had met at a restaurant. She and her dog, "Butch" (played by a Credited dog named Stooge), join them and they deliver their cargo, and learn unscrupulous real-estate operators have jammed the locks on the dam in order to ruin the ranchers and farmers and take over their property.

In this Western, comprised of 12 chapters from a serial, Kit leads a group carrying a large gold shipment across the wild West. When the Mystery Riders attack and steal the gold, Kit is the only survivor. He later joins forces with the cavalry to retrieve it.

The Three Mesquiteers are forced to track down a train robbery ring after some of the gang hijack their truck for a getaway and the police conclude they are part of the gang, an identification which is just fine with the gang's nameless chief.

Jack Marian isa gambler with an unsavory past. Suspected of being an outlaw, Jack plays along with this misconception, the better to infiltrate a gang of smugglers. Along the way, he clears the name of the brother of Texas ranger Mike Donovan, and helps patch up the romance between Donovan and heroine Bernice.

A cowboy rides by night to catch the man who killed his brother.

Ace Beldon is in prison, but with his stolen bonds not recovered, Capt. Saunders has an idea. He sends Graham to prison and has him and Beldon break out. With Ranger Raymond assisting, they make their escape and get to the hangout run by Stone. But the plan starts to go awry when Sam overhears Graham talking with the Captain and reports back to Stone.

A sailor falls for a gangster's moll, leaves his wife and finds himself caught up in a life of crime.

In 1865, Captain Mark Smith of the Confederate Army leads a band of deserters to conquer Texas and rule it as a dictator. In one of his first actions, he captures and assumes the identity of Texas' new Finance Commissioner, Colonel Marcus Jeffries, after having the real man murdered. When a contingent of Texas Rangers enters the territory, Snead, one of Smith's men, leads them into an ambush by Smith's "troopers". The Rangers are apparently wiped out, although one injured survivor is left. The survivor, nursed back to health by Tonto, swears to avenge the massacre and defeat "Colonel Jeffries" and his men.

Burgess and Greeley are rustling horses and shooting Indians. When they kill Manual they frame Lieutenant Allister. His older brother John now attempts to defend him at his murder trial.

A sleazy lawyer's female assistant sets out to end his cheating ways.

A wealthy, cheating husband is found murdered in his penthouse apartment. The police soon arrest a suspect, but the victim's downstairs neighbor believes the man is innocent and sets out to prove who really committed the murder.

This is a remake of Columbia's 1932 "Cornered" that starred Tim McCoy. Bob Pearson saves the life of his friend, Sheriff Dick Houston, who has captured two stagecoach bandits and is about to be shot from ambush by a third. Bob is found a few days later near the murdered body of cattleman Herrick with a gun in his hand.

A wealthy young socialite gets the gambling bug, and soon it goes from being just a fun pastime to an addiction, and she begins to lose more and more of her fortune.

Cattle are being routinely stolen from a local ranch, and suspicion centers on a local mountain family. But the Three Mesquiteers are wise to the criminals' deeds. But when a ranger is shot and Stony is framed for the crime, it's up to Lullaby and Tucson to prove his innocence.

American federal agent Clark Stuart is on assignment in Santa Fe to draw up a trade agreement with the newly installed Mexican governor. Meanwhile, Walter Jamison leads a wagon train from Missouri, hoping to take advantage of the new agreement. Among Jamison's passenger are famed frontiersman Jim Bowie and a very youthful Kit Carson. The destinies of all these personalities intersect when villainous ex-governor DuPrey schemes to undermine the treaty and take over the New Mexico territory for his own vile purposes. Somewhere along the way, Davy Crockett joins the "good guys" in their efforts to thwart the despicable DuPrey.

Edited version of the 1938 Republic serial "The Lone Ranger."

Former Texas Ranger Wade Patterson (Starrett) returns to his home town, only to find that the territory is in the grip of cattle rustlers. For a while, it looks as though heroine Linda Holden (Meredith) is in cahoots with the bad guys, but Patterson quickly clears her name and takes on the crooks himself.

In this entry in the long-running series of westerns, the Three Mesquiteers transform their ranch into a prison farm to provide a model for prison reform. They are opposed by a local contractor who wants to build a standard prison.

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?

12 part movie serial where Clyde Beatty encounters obstacles and adventure on his way to rescue his damsel in distress.