Question: Jean Vander Pyl provided the voice of Rosie on the Hanna-Barbera animated sitcom that originally premiered on which date?
Facts:
Jean Vander Pyl provided voice of Rosie on The Jetsons
The Jetsons is an American animated sitcom
The Jetsons is produced by Hanna-Barbera
The Jetsons premiered on September 23, 1962
Answer: September 23, 1962