The Flintstones Season 6 Episode 19
Two con artists posing as gold miners sell Fred and Barney phony mine. Wilma and Betty find out and trick the con artists into buying the mine back, but Fred and Barney, convinced of its value, won’t sell. Only the threats of the con men convince them to recover their investment and head back home.
Serie: The Flintstones
Episode Title: The Treasure of Sierra Madrock
Air Date: 1966-02-11