Question: Jean Vander Pyl provided the voice of Rosie on the Hanna-Barbera animated sitcom that originally premiered on which date?

Related documents: [0]  [DOC] Jean Vander Pyl (October 11, 1919 – April 10, 1999) was an American actress on radio, television and movies. Although her career spanned many decades, she is perhaps best remembered as the voice of Wilma Flintstone for the Hanna-Barbera cartoon "The Flintstones". In addition to Wilma Flintstone, she also provided the voices of Pebbles Flintstone, Rosie the robot maid on the animated series "The Jetsons", Goldie, Lola Glamour, Nurse LaRue and other characters in "Top Cat", Winsome Witch on "The Secret Squirrel Show" and Ogee on "The Magilla Gorilla Show". [END] 
[1]  [DOC] 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. It was Hanna-Barbera's Space Age counterpart to "The Flintstones". [END]  
Answer: September 23, 1962
September 23, 1962