The Flintstones: On the Rocks is a 2001 made-for-television animated film based on the television series The Flintstones. It debuted on November 3, 2001 on Cartoon Network and was directed by Chris Savino and David Smith. It was dedicated to William Hanna, creator of The Flintstones with partner Joseph Barbera, founder and chairman of Hanna-Barbera, who died earlier that year and longtime Hanna-Barbera composer Hoyt Curtin, who passed on a year before Hanna.