A dedicated FBI agent recalls the agency's battles against the Klan, organized crime and Communist spies.

Unjustly booted out of the cavalry, Mike McComb strikes out for Nevada, and deciding never to be used again, ruthlessly works his way up to becoming one of the most powerful silver magnates in the west. His empire begins to fall apart as the other mining combines rise against him and his stubbornness loses him the support of his wife and old friends.

Bob Ford murders his best friend Jesse James in order to obtain a pardon that will free him to marry his girlfriend Cynthy. The guilt-stricken Ford soon finds himself greeted with derision and open mockery throughout town. He travels to Colorado to try his hand at prospecting in hopes that marriage with Cynthy is still in the cards.

Slick gambler James Wylie is apprehended by the law and given the option to forgo a prison sentence if he poses as a bandit. His mission is to uncover the identity of the Poet, a notorious outlaw who has been holding up bank-owned stagecoaches and leaving verses at the crime scenes to taunt the authorities. James finds time to woo the Poet's lovely wife, Ann, who initially cold-shoulders him. But, as a romance develops, they partner up to find the robber.

A town bedeviled with outlaws sends for Hoppy, Lucky and California after their own vigilante committee fails to solve the towns problems. Hoppy discovers that the bad guys are led by the town boss, and so are the vigilantes.

While trailing Forest Ranger Charles Carter, who is suspected of permitting lumber man Henry Mitchell to cut restricted timber, Gene fires at a dangerous mountain lion and apparently kills Carter. Actually, Bill Wright, Mitchell's associate, killed Carter because the ranger had discovered tussock moth infestation in the forest, and if the infestation was not reported, the trees would die and have to be cut, thereby profiting Mitchell and Wright. In order to compensate the best he can, Gene sells his sportsman's camp and gives the money to Carter's daughter Helen . En route to Texas, Gene discovers the infestation and is assigned by the Forest Department to supervise the program of spraying the area with DDT from the air. After the first day of spraying, the DDT is blamed by furious stock men for the many animals found dead of poisoning.

Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby's mine and Hoppy suspects it may be ex-outlaw Colby himself. When Speedy strikes gold, Hoppy borrows it and announces a gold shipment hoping to catch the gang and their leader.

U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a member of a medicine show, Hoppy discovers that the ringleader is none other than sweet li'l ol' Ma Burton.

Tex Granger heads toward Three Buttes when he comes across a young boy guarding a gold shipment which he has just rescued from a stagecoach that had been held up by Blaze Talbot and Reno

Buck Colins heads a group of local ranchers who are trying to prevent the railroad from completing its line through their property. Till now they have been able to charge tolls on herds passing through. Hoppy goes undercover to expose them.

Pacific pearl diver Duke Slade escapes angry natives by joining a whaler whose dying captain persuades him to marry his daughter who is already being wooed by the first mate.

Hoppy is busy chasing stagecoach bandits who sing as they rob.

Two talent scouts for a New York-based country music TV show called "Square Dance Jubilee" are sent out West to get authentic western singing acts. They find what they're looking for, but also get mixed up in cattle rustling and murder.

A gang of teenage delinquents terrorize a small community by stealing cars and stripping them for parts, then selling the parts to a crooked junkyard owner. The police and an insurance company investigator set out to break up the gang.

Slightly more elaborate than most Charles Starrett westerns, Down Rio Grande Way is set in the mid-19th century, when the Republic of Texas was poised to join the Union. Starrett plays Texas Ranger Steve Martin, who is dispatched to a "renegade" Texas country that refuses to become part of the good old USA. He discovers that the crux of the problem is a local tax collector who, with the help of a crooked newspaper editor, is systematically robbing the citizens of their hard-earned cash, all the while fomenting anti-American sentiments.

A Canadian mountie is framed for committing crimes, while investigating a gang of criminals.

European bad guy Baron Bendor leads some local townsmen in a plot to obtain horses through theft. Hoppy and his sidekicks Lucky and Speedy must find and expose the horse thieves.

Hoppy, Johnny and Windy are fighting a malicious gang trying to stop a cattle drive from reaching a drought-stricken North.

Russell Hayden, taking a break from playing Hopalong Cassidy pictures, stars as Renn Frayne, a college-educated youth heading westward who finds more than he bargained for. Following a terrifying run-in with an outlaw gang, Frayne aligns himself with the heroine Holly Ripple (Jean Parker), whose father's cattle ranch is in danger of falling into the hands of the villains. Victor Jory as Malcolm Lascallie, the wily gambler,

There's a dispute over water rights, and every lawman that arrives to settle the score is killed. It's up to Lash to settle the score and find out who is behind all the killings.