Scooby-Doo, Where Are You! is an animated American comedy television series created by Joe Ruby and Ken Spears and produced by Hanna-Barbera for CBS. The series premiered as part of the network's Saturday morning cartoon schedule on September 13, 1969, and aired for two seasons until October 31, 1970. In 1978, a selection of episodes from the later series Scooby's All-Stars and The Scooby-Doo Show were aired on ABC under the Scooby-Doo, Where Are You! name, and they were released in a DVD set marketed as its third season. It also aired on BBC One in the United Kingdom from 1970 to 1973.Scooby-Doo, Where Are You! is the first incarnation of a long-running media franchise primarily consisting of animated series, several films, and related merchandise.