The 1,000-Pound Sled Pull That Shocked Alaska

After John Thornton rescues him, Buck forms his first true bond of love and loyalty with a human. He proves that devotion through incredible feats—attacking a man who assaults Thornton, rescuing him from deadly rapids, and astonishing a crowd by pulling a 1,000-pound sled for 100 yards. Buck’s strength, courage, and love make him a legend across Alaska while deepening his connection with Thornton.