Bonanza - "Hoss and the Leprechauns"

Hoss scares a bear that has treed a green-clad little man, subsequently finds a buried strongbox filled with bags of gold dust.

Bonanza is an American Western television series that ran on NBC from September 12, 1959, to January 16, 1973. Lasting 14 seasons and 431 episodes, Bonanza is NBC's longest-running Western, the second-longest-running Western series on U.S. network television, behind CBS's Gunsmoke.