Olivia Wilde / Sara Bareilles

The Count helps Elmo keep an eye on the clock in preparation for jammie time. Elmo welcomes Olivia Wilde for a game of "Teddy Bear Dress Up." Musical guest Sara Bareilles brings out two of her besties -- plus an extra special Sesame Street friend -- to help her perform her very own version of "Twinkle Twinkle Little Star."

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