Fred Flintstone and Barney Rubble quit their jobs at the gravel pit, drink Busch Beer for inspiration, watch a preview for Busch's advertising in 1967, and take up new positions as bartenders.
Overview：Fred Flintstone and Barney Rubble quit their jobs at the gravel pit, drink Busch Beer for inspiration, watch a preview for Busch's advertising in 1967, and take up new positions as bartenders.
