Valley of the Dinosaurs is an American animated television series produced by the Australian studios of Hanna-Barbera Productions and broadcast on CBS from September 7 to December 21, 1974, and in syndication from 1977 to 1983.[1] The series, about a contemporary family sucked by a vortex back to the Stone Age was intended to be educational as well as entertaining, demonstrating the early human uses of fire, clothing, weapons and cooking.[2]