the jetsons is an american animated sitcom. it was directed by william hanna and joseph barbera. there are 77 episodes and 3 seasons. each episode is between 22 and 30 minutes. the series was first broadcast in prime time from september 23, 1962, to march 17, 1963, on abc. it was later broadcast in reruns in syndication with new episodes made from 1985 to 1987. "the jetsons" was hanna-barbera's space age counterpart to "the flintstones".