Watch The Flintstones: A XXX Parody for Free: How to Stream the Movie Online at 123Movies. . Poor Fred is having a mid-life crisis. His little girl Pebbles is 18 and getting ready to move out of the house. He's getting older, maybe a little rounder, and he starts to question if he is attractive enough for his hot wife, Wilma. What happens when it is just the two of them? Could Wilma be seeing someone else? Is it Betty? Barney? Bam Bam? Mr. Slate? The result is one of the funniest parodies ever. The whole gang is here so come join them all for sexy, good time!