In this animated crossover, Fred Flintstone stumbles upon a new money-making scheme that involves bringing professional wrestling to Bedrock. With the help of his best friend Barney Rubble, Fred organizes a prehistoric wrestling event featuring WWE superstars like John Cena and The Undertaker, who are reimagined as Stone Age characters. Directed by Spike Brandt, this family-friendly film combines the classic charm of The Flintstones with the excitement of WWE. You can watch it for free on Soap2day.