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Before the Flintstones were everyone's favorite Stone Age family, Fred was just a regular guy looking for the girl of his dreams, and his romance with Wilma sets the stage for this prequel to the 1994 screen adaptation of the popular cartoon series. Fred Flintstone (Mark Addy), a working-class caveman who earns his living at Mr. Slate's quarry, falls in love with wealthy heiress Wilma Slaghoople (Kristen Johnson). While many people think that Fred is out of his league, including Wilma's mother Pearl (Joan Collins) and her father Col. Slaghoople (Harvey Korman), he's determined to win her heart. And when his best friend Barney Rubble (Stephen Baldwin) decides to take his best girl Betty (Jane Krakowski) for a fun weekend in Rock Vegas, he invites Wilma to tag along. The Flintstones in Viva Rock Vegas recasts all the major roles from 1994's The Flintstones; Harvey Korman is the only actor to appear in both films, though in different roles (in the previous movie, he was the voice of the Dictabird).