Jean Vander Pyl provided the voice of Rosie on the Hanna-Barbera animated sitcom that originally premiered on which date?
The Jetsons: The Jetsons is an American animated sitcom produced by Hanna-Barbera, originally airing in primetime from September 23, 1962, to March 17, 1963, then later in syndication, with new episodes in 1985 to 1987 as part of "The Funtastic World of Hanna-Barbera" block.
i don't know