Cowboy G-Men is an American Western series that aired in syndication from September 1952 to June 1953, for a total of thirty-nine episodes.

Judge Roy Bean is a syndicated American Western series starring Edgar Buchanan as the legendary Kentucky-born Judge Roy Bean, a justice of the peace known as "The Law West of the Pecos".

Cole Armin comes to Albuquerque to work for his uncle, John Armin, a despotic and hard-hearted czar who operates an ore-hauling freight line, and whose goal is to eliminate a competing line run by Ted Wallace and his sister Celia. Cole tires of his uncle's heavy-handed tactics and switches over to the Wallace side. Lety Tyler, an agent hired by the uncle, also switches over by warning Cole and Ted of a trap set for them by the uncle and his henchman.

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.

A lawman takes on gangsters attempting to steal property wanted for a railroad.

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.

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.

Hoppy clears Lucky on a charge of bank robbery and foils the plot of a crooked lawyer to rustle a herd of pedigree cattle and take over the valley.

Chorus girl Gloria Carroll inherits one million dollars from Broadway playboy Herbert Dinwiddle. Producer Ned McLane persuades her to advance him the money on a production called "Lucky Legs" that will star her. Unfortunately, the money has "made the rounds" prior to reaching Gloria and several less-than-scrupulous characters set out to separate Gloria from her inheritance.

A Texas Ranger tries to bring down counterfeiters selling fake lottery tickets.

Hoppy and new sidekick California Carlson head to California to help out Lucky Jenkins.

Ellison is the star searching for the killer of his parents while Hayden's a not-too-bad bandit leader.

The local school is causing Hoppy problems. First Bar 20 cattle are stolen when Hoppy investigates a problem there. Then the new teacher arrives and disrupts the routine of the Bar 20 hands. Later with the Bar 20 hands at graduation, the rustlers are poised to strike again. But there is dissension among them and this will lead to the break that Hoppy needs.

Easterner Madeline Hammond buys a ranch not knowing Hayworth is using it to smuggle ammunition across the border. When trouble starts, she brings back Gene Stewart ex-foreman who left the country after fighting with the Sheriff.

An outlaw impersonates Shamrock in order to lease his land to an oil company for $75,000.

Joe Weller has instigated a conflict over water rights between two ranchers. The idea is to have the ranchers do each other in then move in and take over. Hoppy and the good guys won't let this happen.

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.

The U.S. Army needs more horses for the Spanish-American War. Hoppy must turn his Bar 20 cowhands into Rough Riders to gather up the horses, and of course bad guys try to sabotage the operation.

Hoppy goes to town to help Marshal Windy with some rustlers and winds up helping the widow Joyce when confidence men try to take her herd. King's Men songs include: "Hi Thar Stranger" and "Lazy Rolls the Rio Grande."