This is the unique ending which only appeared after 2 episodes of the Flintstones. (Those episodes were "Fred Turns Into an Ape", and the obscure "Barney of Arabia". The clip was actually making fun of Rock-n-roll, suggesting that even a child could do this. By the way, The voice of "Pebbles" is Jean Vanderpyl. And she also supplies the voice of Wilma Flintstone. "Bam-bam" is done by DON MESSICK. He also did the voice of Richochet Rabbit, Ranger Smith, Boo Boo bear, Papa Smurf, Astro, and SCOOBY DOO. Did you know: the Voice of Barney Rubble and Dino was the great MEL BLANC. Also, 2 different ladies supplied the voice of Betty Rubble during the series. And Alan Reed played Fred Flintstone during the original series. But when he passed away, Henry Corden took over and did all the cereal commercials. Also, speaking of scooby doo: did you know KASEY KASSEM did the voice of shaggy. And finally, the great Harvey Kormen supplied the voice of the Great Gazoo. [by the way,...