Pat J. O'Brien

A young mining engineer sets out to catch the killers of both his brother and a beautiful young girl's father.

Stephen Westcott and Ed Martin scheme to put Jane Travers' wagon line out of business. They want to use it take over all the wagon- train traffic going west. Hoppy, California and Lucky must make sure that doesn't happen.

Tom Grant has found a rich gold vein and Bart Eaton is after it. Tom's sister Mary heads for the gold fields and Eaton and his men follow. Eaton teams up with Ace Daggett who plans to doublecross him and get the gold for himself. They frame Tom for murder and then try to get him to sign over his claim. The famous scout Tex Houston is on hand, escaping the attempts on his life, saving Mary from various perils, and trying to bring in the real killer and clear Tom.

Cowboys live amidst Hawaiian scenery and song.

A hero goes undercover to uncover outlaws while singing to a heroine and being sneered at by a bad guy.

Hoppy's friend Dennis owns a rich gold mine. Frazier who owns the adjoining mine and wants the Dennis mine, has Dennis killed. Hoppy steps in to take over running the Dennis mine and learns Frazier's men sneak into and work the Dennis mine at night. Hoppy captures one of Frazier's men only to be captured in return by Frazier and left to die in a burning building.

A 12-episode serial in which Tim Tyler goes to Africa in search of his father in gorilla country. He meets up with Laura, who is after Spider Webb who has framed her brother. Webb causes the death of Tim's father, but is eventually tracked down.

Outlawed Guns stars Buck Jones as Reece Rivers, the nice-guy older brother of headstrong Babe Rivers. When Babe gets mixed up with outlaws, Reece loyally takes the rap. Eventually Babe pays for his recklessness with his life, but not before leading Reece to the film's head bad guy, gambler Jack Keeler.

A 12-episode serial in which Tailspin Tommy evades volcanoes, anti-aircraft shells, and time bombs as he foils a plan by corrupt profiteers to steal an island's oil reserves.

A 15-episode serial involving the land rush, gold mines, stolen maps, etc.