Hold on to your feathers - Sesame Street is 40! In 1969, Sesame Street changed the face of children's television forever with a groundbreaking educational program that brought people and puppets together. In its 40th season, Sesame Street continues to innovate and educate, encouraging children to explore the natural world through scientific exploration. Throughout the season, fans can enjoy appearances from celebrities including Michelle Obama, Cameron Diaz, Jimmy Fallon, Debra Messing, and Paul Rudd. Sesame Street is brought to you by Sesame Workshop, the nonprofit educational organization that's making a meaningful difference in children's lives worldwide by addressing their critical developmental needs.