Episode 3952

Everybody feels like singing on Sesame Street today, so they gather on the steps of 123 Sesame Street for a sing-along. Gabi sings "Let's Go Driving", Maria leads "Uno Dos Tres", and Alan sings a song about a barking dog, with Elmo playing the part of the dog. Big Bird can't remember what song he wants to sing, which leads the cast to sing "What's the Name of That Song?"

Segments

 * Celebrities join together for a performance of "Sing", including Patti LaBelle, Nathan Lane, Katie Couric, Ben Stiller, Garth Brooks, R.E.M., Maya Angelou, Fran Drescher, Conan O'Brien, Noah Wiley, Rosemary Clooney, Doug E. Doug, Vanessa Williams and Trisha Yearwood.
 * Bert, Cookie Monster and Oscar the Grouch sing "Pigeons, Cookies and Trash".
 * Elmo's World: Hair