A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.

A 12 episode serial starring Rex, the King of the Wild Horses and Rin-Tin-Tin, Jr. Rex is brought from the island of Sujan, where he is worshiped as a God-Horse, to the U.S. to be trained as a polo pony. He escapes, meets Rinty and with the help of Frank Bradley is returned to Sujan. The natives have been persuaded to turn against their God-Horse, however he is rescued just in time before he is burned as a sacrifice.

Rex, a wild stallion, and Rinty, a police dog, are pals. Their master , John Sheldon, is framed for murder, and Alice Ingram plans to race Rex for money to pay for John's legal defense. Meantime, Frank Nolan, who has falsely accused John, sets out to steal Rex for himself.

The exploits of Champion, a wild stallion who befriends twelve year-old Ricky North in the American Southwest in the 1880's. Although Ricky, who lived on his Uncle Sandy's ranch, had a magnetic attraction for trouble, he was always rescued by the Wonder Horse, aided by the boy's other bosom companion, German shepherd dog, Rebel.

Railroad detective Matt Clark roams the west, tracking down outlaws and bandits who are preying on the railroad.

A western adventure serial in 12 episodes. Buffalo Bill battles gambler Jim Rodney who is trying to scare off the townspeople so he can gain possession of a gold strike discovered in the area. A nearby Indian tribe is provoked to attack the town and the cavalry is called in.

The Wild West adventures of Ben Cartwright and his sons as they run and defend their Nevada ranch while helping the surrounding community.

A stage and a wagon heading west get separated from the rest of the wagon train thanks to Dusty. Now they must make their way to California.