Dinosaurs (television) Television series, airing on ABC from April 26, 1991, to July 20, 1994. Jim Henson Associates created the characters in this series covering the life of a prehistoric family, the Sinclairs, in a contemporary setting. Voices were provided by Stuart Pankin (Earl Sinclair), Jessica Walter (Fran Sinclair), Jason Willinger (Robbie), Sally Struthers (Charlene), John Kennedy (Baby), Sam McMurray (Roy Hess), Sherman Hemsley (B.P. Richfield), Florence Stanley (Ethyl). The show won an Emmy Award for Art Direction in 1991.