Margot Kidder performed on the children's television series Sesame Street.
Margot Kidder . In 2015 , she won an Emmy Award for her performance on the children 's television series R.L. Stine 's The Haunting Hour . Sesame Street is a long-running American children 's television series , produced by Sesame Workshop ( formerly known as the Children 's Television Workshop ) and created by Joan Ganz Cooney and Lloyd Morrisett .