It's Elmo's nap time and celebrity Ricky Gervais sings Elmo a noisy lullaby all about the letter N.

From the Sesame Street DVD "Elmo's Animal Adventures": http://store.sesamestreet.org/Product...

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Sesame Street is a production of Sesame Workshop, a nonprofit educational organization which also produces Pinky Dinky Doo, The Electric Company, and other programs for children around the world.