The Flintstones - Season 1 Episode 6 The Monster from the Tar Pits Yabba Dabba Doo!
Overview: A Hollyrock film company goes on location in Bedrock to film its new feature Monster From The Tar Pits, and gullible Fred is enlisted as stand-in for star Gary Granite. But Fred's real problems begin when Wilma and Betty audition for roles in the film and end up going ga-ga upon meeting movie stars Rock Pile and Wednesday Tuesday.