For the most part, Elmo looks the same ... He then debuted on "Sesame Street" as Cookie Monster, a much bigger Muppet with blue fur, no teeth, and a floppy, expressive body.

“Sesame Street” will also be available on PBS stations and to stream on PBS Kids in the fall. No one is more excited than Elmo himself. “There’s a lot to learn from music — yeah, timing and harmonies ...