One Million Years B.C. might be about as palaeontologically accurate as The Flintstones, but it's still a lasting kitsch masterpiece, as much for Raquel Welch’s Amazonian presence in an abbreviated fur bikini as for Ray Harryhausen’s wonderful stop-motion dinosaurs. Loana (Welch) of the Shell People teaches Tumak of the Rock Tribe that harmonious cooperation on the beach is a better way of life than rule-of-the-mightiest savagery in caves.