Best of Fruity Pebbles Flintstones Commercials 2017. In thisHappy Meal Happies watchnig Fruity Pebbles commercials. They realy have a good time while watching the Stone Age adventures of Fred and Wilma Flintstone and their neighbours Barney & Betty Rubble. Happies love the Flintstonesand love the well known Flintstones theme song. They all say Yabba Dabba Do! They love Fruity Pebbles cereal.