![Once Upon a Sesame Street Christmas Once Upon a Sesame Street Christmas-watch](https://img.2kmoviehd.to/xxrz/250x400/282/65/93/65930ef0c93b6db13b1ad2ab1793f48e/65930ef0c93b6db13b1ad2ab1793f48e.jpg)
Once Upon a Sesame Street Christmas
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.