Watch Once Upon a Sesame Street Christmas (2016)
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Once Upon a Sesame Street Christmas (2016)

Once Upon a Sesame Street Christmas (2016)

This holiday special goes back in time to show how Elmo’s ancestors–not to mention those of Grover, Big Bird, Bert, Ernie, Oscar the Grouch and Cookie Monster–helped transform “the most unfriendly street in town” into the bright, kind, music-filled place it is today.