As rustled cattle have mysteriously disappeared, Johnny sends for his friend Hoppy, Hoppy arrives and immediately suspects Dan Slack. Realizing his telegram about Slack was intercepted, he locks up the operator Lafe knowing he can escape. Tailing Lafe he finds a secret entrance to a mine and inside finds the missing cattle. But Slack's men also find him just as the cattle are stampeded through the mine shaft.
When three Texas Rangers try to investigate kidnapped Mexicans being used as forced labor in the min...
Stephen Westcott and Ed Martin scheme to put Jane Travers' wagon line out of business. They want to ...
When he runs for sheriff, Hoppy is beaten by Jerry Doyle, the gutless wonder voted for by every croo...
Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking...
Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her b...
Sue Morgan gets Hoppy and his friends to join their expedition looking for Indian artifacts. Expedit...
Before he was killed by Mark Foster's men, Bud Lawton willed part ownership in his ranch to Hoppy an...
Joe Weller has instigated a conflict over water rights between two ranchers. The idea is to have the...
Hoppy goes undercover as a gambler from the East when Bar 20 cattle are stolen by unknown rustlers. ...
U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a mem...
An evil gang is involved in both cattle rustling and the robbing of stagecoaches. Hoppy must stop th...
A crusading newspaper editor recruits his old friend Hoppy to take the job of Marshall in a town rif...
The U.S. Army needs more horses for the Spanish-American War. Hoppy must turn his Bar 20 cowhands in...
Hoppy goes undercover as an outlaw (which permits him, for once, to drink and be mean to children) t...
Hopalong Cassidy, boss of the Bar 20 ranch in Texas, rides down the Camino Real in the New Mexico ca...
Hoppy clears Lucky on a charge of bank robbery and foils the plot of a crooked lawyer to rustle a he...
Belle Starr has returned from time in prison only to face a hail of bullets, along with rescue by Ho...
Hoppy, Johnny and Windy are fighting a malicious gang trying to stop a cattle drive from reaching a ...
Hopalong Cassidy and Johnny Nelson ride to the mountains to help a man and his daughter save their l...
A banker is trying to cheat people out of their silver-rich land. Hoppy learns that the banker is in...