Original sentence: Winchell's last regular on-camera TV appearances working with his puppets were The Storybook Squares (a children's version of the adult celebrity game show The Hollywood Squares which was seen Saturday mornings on NBC during the 1969 TV season) and Runaround, another children's TV game show seen Saturday mornings on NBC from September 1972 to September 1973.Winchell's most successful TV show was Winchell-Mahoney Time (1965–1968), a children's show written by his then wife, actress Nina Russel
Edited sentence: Winchell's last regular on-camera TV appearances working with his puppets were The Storybook Squares (a children's version of the adult celebrity game show The Hollywood Squares which was seen Saturday mornings on The NBC TV network during the 1969 TV season) and Runaround,  another children's TV game show seen Saturday mornings on NBC TV from September 1972 to September 1973.Winchell's most successful TV show was Winchell-Mahoney Time (1965–1968), a highly-imaginative kids' show written by his then wife, actress Nina Russel