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.

Once Upon a Sesame Street Christmas

The Muppets Take the O2 is a live stage show starring the Muppets performed at the O2 Arena in London in July 2018. The show is a follow-up to 2017's performance at the Hollywood Bowl, reprising many of the same acts.