 The script remained in the Henson Company archives until it was adapted in the 2012 graphic novel "Jim Henson's Tale of Sand".In 1969, television producer Joan Ganz Cooney and her staff at the Children's Television Workshop were impressed by the quality and creativity of the Henson-led team, so they asked Henson and staff to work full-time on "Sesame Street", a children's program for public television that premiered on National Educational Television on November 10, 1969.Part of the show was set aside for a series of funny, colorful puppet characters living on Sesame Street, including Grover, Bert and Ernie, Cookie Monster, Oscar the Grouch, and Big Bird.