More kids than Sesame Street Muppets are seen in the video as the plot moves along by the kids suggesting a dance, Celina explaining how to do it, and the song or video plays.

Here are the five most intriguing things we learned from watching “50 Years of Sunny Days.” In some of the first test shows for “Sesame Street,” the muppets and the humans were separated.

The YouTube channel for popular children's program "Sesame Street" was brought to viewers by the letters P, O, R and N on Sunday.