Seeking his father's killer in Mexico, Jack Rowland falls into the clutches of Buck Lambert and his band of smugglers.

A cowpuncher is out for revenge on the gent who seduced his sister into a dance hall by advertising for a school teacher and then finished her off...

A gang of bank robbers holes up at a cowboy's ranch. One of the robbers turns out to be his brother. After the brother is killed by the gang, the...

A forest ranger comes to the aid of his fiance and her father when a crooked rancher and his gang try to force them off their land.

During a rescue of Mary and her father, Bob Bartlett finds a good horse, which later causes him to be mistaken for Butch Coleson, a wanted outlaw...

Horses are being stolen by a white stallion known as "The Phantom of the Desert." A cowboy sets out to find who's behind it.

Having quit their old gang and gone straight, Bert Allen and Joe Kemp finally own their own ranch after three years, but Joe robs the Riverton bank...

Jerry Hixon's ranch is being besieged by raiders so Ben sends for his friend Bud. When Bud arrives and finds that the outlaw Texarkana Pete has...

Jed Campbell, a "skypilot," and Nanette, a dance hall girl, meet when each goes to rescue Rex, "King of the Wild Horses," from a trap.

A Northwest mounted policeman leaves the service to seek revenge for his brother's murder.

It's time for the stagecoach race to win the mail contract and the only entries are Reden and Farrell. Reden's men kidnap Farrell's daughter and...

A returning war veteran who finds his father murdered and the family ranch in the hands of outlaws.

The Thunderbolt Strikes

Purchasing the Carney Carnival and Road Show, unscrupulous sportsman Martin Trask assumes he has ownership of Rex, the world's greatest trained...

Chasing the man who had caused the death of his sister, Jack Walsh rescues Mary Winters from the unwanted attentions of a drunk, and learns that...

When Montana cowpuncher Larry Benson, riding his horse Starlight and accompanied by his dog Rex, tied up at the hitching post in front of McAvoy's...

It seems that an evil saloon owner not only wants this valuable steed for himself, but also its owner, the beautiful Mary Ellis. Enter honest...

Rex the wonder horse's owner is murdered by Joe Regan, the leader of a band of smugglers. RCMP Sgt. Jack Gordon has been sent to capture the...

Human cowboy hero is teamed with Rex, King of Wild Horses, an ornery critter but a magnificent animal.