Dino Boy in the Lost Valley is an animated science fiction television series created by Alex Toth and produced by Hanna-Barbera Productions. The series first aired on CBS from September 10, 1966, to September 7, 1968 along with Space Ghost as Space Ghost and Dino Boy. The series also appeared in reruns on Cartoon Network from 1992-2000. In 2000, The series began airing on Cartoon Network's sister channel Boomerang.