In the midst of some friendly horseplay on their "Flying R" ranch, the Range Busters, Crash Corrigan, Dusty King and Alibi Terhune, are sobered by the arrival of a buckboard bearing their old friend Larry Meadows and his niece Dorrie Willard. Meadows seeks their aid against a gang of outlaws terrorizing his town. Ernie Willard, Dorrie's brother, has been taken in by Tex Laughlin who is using the Willard ranch as an undercover for his real occupation as a member of a gang of outlaws led by Tim Douglas, a supposed friend of the Willards.

A group of "Phantom Raiders" interfere with a cattle drive from Texas to Abilene; fortunately, U.S. Marshal Wild Bill Hickok is appointed to ensure the success of the mission.

Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous historical incident.

Mystery and adventure, surrounding a stolen rubber harvest.

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.

Hoppy's brother has been murdered and he is on the trail of the murderers. To get them he makes himself seem to be a wanted man.

The Range Busters are investigating a gold robbery from the Denver Mint in a supposedly deserted ghost town, but they soon find they're not the only town resident with a nose for gold.

In this his penultimate Western for low-budget company Monogram, Jack Randall assumed the identity of a murdered ranger in order to track down the killer. In the lawless town of Brimstone, the citizens are being terrorized by a gang of outlaws headed by Mason (Tom London), who, to no one's great surprise, proves to be the very man Jack has been trailing. The relieved citizens of Brimstone then elect Jack as their new sheriff. The murdered ranger's sister was played by Margaret Roach, the 19-year-old daughter of comedy producer Hal Roach. Ernie Adams replaced Glenn Strange (who himself had replaced Frank Yaconelli) as Randall's sidekick, Manny, and Nelson McDowell provided additional comic relief as Brimstone's busy undertaker.

In early spring of 1833, the smoldering resentment of American settlers in Texas against their oppression by Mexico dictator General Santa Anna/Ana coming to a head. When a decree is issued that no more Americans may enter Texas, William H. Wharton, fiery head of a faction determined on independence or nothing, warns Stephen F. Austin that the time for half-measures is past. Austin, responsible for bringing the Americans to Texas as colonists, reminds Wharton that a settler's revolt against Mexico would dishonor his name and the arrangements he had with the Mexican government. He gets the "Whartonites" to agree to a general convention of all colonists. Almerian Dickinson, biggest land owner in the settlement of Gonzales, deeply in love with his wife Anne, warns Wharton that a bloody revolt would endanger every wife and mother in the colony. He proposes they send Austin to Mexico City to ask Santa Anna to grant Texans a voice in their own government.