The Adventures of Champion CANYON OF WANTED MEN

Set in the 1880s, a wild stallion befriends young Ricky North who lives on his Uncle's Southwest ranch. Ricky is a magnetic for trouble, but is always rescued by the Wonder Horse and his dog, Rebel.
CANYON OF WANTED MEN: A crooked horse trader tries to get Sandy North and the other ranchers to sign a petition to allow him to round up all the wild horses in the valley. When the ranchers prove reluctant, the crooks break down the ranchers fences and accuse the herd of the destruction. While riding the range, Ricky and Lorna stumble onto the truth but are captured and held prisoner by the owlhoots.