Yabba Dabbo Do! We hope you will be as excited as Fred Flintstone to view the Hanna-Barbera gallery of sets below. Here we feature the earliest set, 1959 Kellogg’s, and include many others including educational sets and even UK releases. Our favorite characters include the Flintstones, Yogi Bear and friends, Huckleberry Hound, and Secret Squirrel. Check out the Hanna-Barbera Fun Facts page for more info on these historic characters and this iconic brand!