The Flintstones and another in Valle, Arizona. Both have been in operation for decades. Bedrock City, also known as Flintstone Park, closed in August 2015. Another existed until the 1990s at Carowinds in Charlotte, North Carolina. In Canada, Flintstone Park in Kelowna, British Columbia, opened in 1968 and closed in 1998; it was notable for the "Forty Foot Fred" billboard of Fred Flintstone which was a well known Kelowna landmark. Another "Flintstones" park was located in Bridal Falls, British Columbia, which closed in 1990. Calaway Park outside Calgary, Alberta, Canada, also opened with a "Flintstones" theme and many of the buildings today
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