Energy: A National Issue is a 1977 American animated educational film featuring characters from The Flintstones franchise and narrated by Charlton Heston. It was produced in 1976 by Hanna-Barbera Productions for the Center for Strategic and International Studies of Georgetown University. The film follows Fred and Wilma Flintstone along with Dino through the history of energy sources. As Fred and Wilma discover many facts about energy and the economy, viewers realize they must use our energy sources more efficiently to buy time to solve the problem. The film uses animation, art, and graphics to dramatize the role energy has played in our lives and outline future energy requirements. (thetvdb.com)