The term '60s Western Sitcom 'F___'' is referring to the popular television show 'F TROOP', which aired from 1965 to 1967. The show was set in the post-Civil War era and followed the misadventures of the soldiers stationed at Fort Courage. It was known for its slapstick comedy and featured a variety of characters, including the bumbling Captain Wilton Parmenter, the conniving Sergeant Morgan O'Rourke, and the Native American Chief Wild Eagle.