Hopalong Rides Again

On a cattle drive Hoppy, camp cook Windy, companion Lucky, and young Artie Peters encounter an eccentric professor. The professor professes to be searching for the evolutionary missing link, but in reality he is a cattle rustler who uses his dynamite to scatter the cattle in order capture some of them. Hoppy and Bar 20 guys ultimately capture the professor.

In Old Santa Fe

Gangster Chandler and his accomplice Tracy arrive at a dude ranch. Cowboy Kentucky arrives at the same time. When Tracy double-crosses his boss and has the stage robbed, Kentucky finds the outlaws and brings them in. Tracy frames him for the murder of the driver but his pal Cactus gets him out of jail. He returns just as Chandler shoots Tracy and Kentucky finds himself arrested for another murder.

Young Bill Hickok

Bill Hickok, assisted by Calamity Jane, is after a foreign agent and his guerrilla band who are trying to take over some western territory just as the Civil War is coming to a close.

The Man from Utah

The Marshal sends John Weston to a rodeo to see if he can find out who is killing the rodeo riders who are about to win the prize money. Barton has organized the rodeo and plans to leave with all the prize money put up by the townspeople. When it appears that Weston will beat Barton's rider, he has his men prepare the same fate for him that befell the other riders.

Song of Arizona

Roy Rogers rides to the rescue when a bank robber's orphaned son (Tommy Cook), who is living at a ranch for homeless boys run by Gabby Whittaker (George "Gabby" Hayes), attracts the attention his father's rowdy gang, who want to claim the boy's inheritance for themselves

The Brand of Hate

Trouble starts when Bill Larkins and his two sons move in with his brother Joe. They start rustling cattle and then kill Rod's father with Joe's gun. The Sheriff and Rod think they did it and are after proof.

In Old Caliente

Americans come west to California in the hope of peaceful settlement. Roy and Gabby sing a duet: "We're Not Coming Out Tonight." Other songs include "Sundown on the Rangeland" and "Ride on Vaquero."

The Arizona Kid

Roy is a Confederate officer stationed in Missouri during the Civil War. He must put an end to outlaw gangs working under the pretense of service to the Confederacy.

Rainbow Over Texas

Roy visits his home town while on a personal appearance tour. While there he enters a pony express race. To keep him from winning, bad guys try to sabatoge Roy's entry. They fail, or course. Songs include the title song and "Smile for me, Senorita."

Calling Wild Bill Elliott

When territorial governor Steven Nichols (Herbert Heyes) terrorizes the population with violence and heavy taxes, the Culver family stands up to him, but after the family patriarch is murdered, wandering gunslinger Wild Bill Elliott (Wild Bill Elliott) is falsely accused of the crime.

Heldorado

Roy Rogers, a Nevada State Ranger Captain in charge of the Rangers Reclamation Service, makes a trip to Las Vegas for the annual Heldorado Frontier Days Festival, as he wants to help his old friend Gabby Whittaker who originated the idea (at least, in this film).In Las Vegas, Roy meets heiress Carol Randall, who has been selected as the Queen of the Heldorado. Roy is informed that the F.B.I. wants an immediate investigation of the counterfeit thousand dollar bills that are being passed over the gambling tables at the casino.

The Cariboo Trail

A cattleman fights to establish a ranch in the middle of gold country.

Trail Dust

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

Renegade Trail

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."

Hidden Valley Outlaws

Lawyer Leland is using land rights to kick the ranchers off their land. When Wild Bill and Gabby arrive to help the ranchers, he has actor Percel frame them for murder and then incites the townsmen to lynch them.

Riders of the Desert

The Rangers in New Mexico are being disbanded but Bob Houston gets them to make one more ride. They go after the outlaw gang led by Hashknife. They catch Hashknife, but he escapes taking Barbara with him and Bob and Slim have to go after him again.

Mojave Firebrand

In this western, a crusty old sourdough finally finds the silver mine of his dreams only to find his mine threatened by vicious outlaws. Fortunately, a cowboy hero rides up to save him, but not until considerable rootin' tootin' action.

Colorado

Trouble in Colorado is tying up Union troops needed back east during the Civil War and Lieut. Burke is sent to investigate. Macklin and his gang are causing the problems and Capt. Mason joins them. When Burke catches up with them he also finds Mason, his brother.

Fighting Thoroughbreds

A prize-winning stallion breeds off-guard with a mare owned by his rival. The colt is trained to race from birth, eventually running in the Kentucky Derby against another horse owned by its sire.

Young Buffalo Bill

It's 1860 and the old Spanish land grants are being surveyed. Montez is after part of Don Regas' rancho and gets the surveyor to alter the boundary. But Don Regas still has the original grant written on a bandanna. Montez sends Indians after it but Bill Cody and Gabby fight them off and a wounded Gabby unknowingly ends up with the missing million dollar deed wrapped around his arm for a bandage.