Big Bird, Bert and Ernie, Elmo, Grover, Rosita, Count von Count, Abby Cadabby, Cookie Monster and other surprise guests gather at NPR's headquarters to celebrate 50 years of love, learning and joy.
Tiny Desk Concert with Blue Man Group.
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For "Take Our Daughters and Sons to Work Day," The Pop Ups save the earth from an asteroid, explain sound waves through a sing-a-long and a keytar, and encourage us all to invent and create.
Alessio Bax with his daughter at the Tiny Desk.
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