Many, many years have passed and Pebbles and Bamm-Bamm are all grown up. They`re thinking about getting married, and the father of the bride says "money is no object", which he willfully regrets when his boss, George Slate, fires him. The bank won`t give him a loan either. Fred and Barney need money and quick! Pebbles is quite carried away about the wedding session. Even Fred`s nemesis, Pearl Slaghoople, Wilma`s mom, drops in. Well eventually Pebbles and Bamm-Bamm decide to elope to Rock Vegas, so Fred and Barney head off to save them, while watching out for a gang of evil hoods. Well soon the wedding is on! And the Flintstones have invited their best friends Bill Hanna and Joe Barbera to join in.