Ride the wind

"Having difficulties establishing routes through territory used by the Paiute Indians, the founders of the Pony Express call upon the men of Bonanza for assistance."@en
""Against Ben's stern wishes, Joe joins the perilous [Pony Express] messenger brigade, which is relentlessly under attack by the fierce Paiute Indians. When Little Joe is captured, Ben appeals to the Express' unscrupulous owner to exchange a high-ranking Paiute prisoner for his hostage son"--Container."@en
"Suffering heavy losses of men and material at the hands of the Paiute Indians, the founders of the Pony Express ask Ben Cartwright for assistance. Following Ben's lead, other citizens of Virginia City contribute money and horses to the fledgling mail service. Hoss and Little Joe Cartwright become involved too, as factions of the organization differ over whether to solve their problems by negotiating a treaty or waging an all-out frontier war against the Paiutes."@en