Meet the Flintstones-before they were the Flinstones-as Fred Flintstone, the boy from the wrong side of the rocks, courts beautiful heiress Wilma Slaghoople. Along with best friend Barney Rubble, and his his future Fiance Betty, Fred and Wilma head off for a fun weekend in Rock Vegas. Additional Language: French. (2000) Running Time: 91 Minutes.