Scooby-Doo and the gang just love the Littletown Museum of Natural History. Where else can you come face-to-face witha gigantic Tyrannosaurus Rex skeleton? But Professor Peabody is upset about the missing pterodactyl eggs. Who could have stolen them? And now there's a real, live pterodactyl scaring the customers away. It's up to Scooby and his friends to solve this prehistoric mystery - before it's too late.