Seth The Virginian : Season 6 Episode 26

While hunting a cougar, Trampas encounters a lost and sick teenager who calls himself Seth. Trampas tends to him and adopts him as an assistant on the rest of the hunt. Although Seth stays with Trampas, he occasionally takes side trips unknown to Trampas. Seth continues to work at Shiloh until the sheriff tracks down his family. Although reluctant to go with his uncle, Seth does. The sheriff learns that the uncle is an outlaw resulting in him and Trampas tracking down Seth and his uncle and learning the truth.