The Flintstones & WWE: Stone Age SmackDown! The Flintstones & WWE: Stone Age SmackDown! The Flintstones & WWE: Stone Age SmackDown! is a 2015 American direct-to-video animated film starring The Flintstones. It is the second co-production between Warner Bros. Animation and WWE Studios following "Scooby-Doo! WrestleMania Mystery". The film features Fred Flintstone, Barney Rubble and the whole Bedrock gang with stone age versions of WWE Superstars and Divas. It was released on March 10, 2015, by Warner Home Video. It is the first new Flintstones production in over 14 years since "", 55 years after the original 1960s series and also the first Flintstones film without the
The Gruesomes (The Flintstones) annoyance to everyone. Fred then discovers that they can't stand "Bug Music" played by a band called the Four Insects. Fred enlists the Gruesomes to scare them away, but they are unsuccessful, because the Hatrocks are immune to horror. Fred eventually enlists his family and the Gruesomes to sing "Bug Music" to chase The Hatrocks back to the hills. This episode features the Flintstones, the Rubbles, and the Gruesomes all singing "She Said Yeah Yeah Yeah", a parody of the Beatles' song "She Loves You". After "The Flintstones" ended, the Gruesomes returned for a final appearance on the spin-off "The