Once Upon a Sesame Street Christmas is the one-hour Sesame Street Christmas special, that first aired on HBO on November 25, 2016, and on November 22, 2017 on PBS.


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On Christmas Eve, Elmo's father Louie tells his son about how Sesame Street was a dreary place in the 19th century as its inhabitants lack the Christmas spirit enough for Santa Claus to not make a stop there and is enforced by a constable that is Mr. Johnson's ancestor. Elmo's great-great-great-grandfather of the same name has moved there as he works to get everyone into the Christmas spirit with the help of some Sesame Street inhabitants that support his motives.


Muppet performers