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 Flintstones not seen again until episode 101, "Daddies Anonymous" (Bamm-Bamm was in a teaser on episode 98, "Kleptomaniac Pebbles"). Another story arc, occurring in the final season, centered on Fred and Barney's dealings with the Great Gazoo (voiced by Harvey Korman). After Pebbles' birth, the tone and writing became more juvenile and ratings from the adult demographic began to decline. The last original episode was broadcast on April 1, 1966. The first three seasons of "The Flintstones" aired Friday nights at 8:30 on ABC. Season four and part of season five aired Thursdays at 7:30. The rest of the series aired