ABC Television - Program Guide - ABC2 - Children's - Sesame Street - Baby Bear's Birthday - 8:30am Friday, May 31 2013 - Synopsis: It's Baby Bear's birthday! The only thing he is worried about is ...

If you're curious about how Sesame Street has evolved, we've compiled a list of its most popular characters—ones you're sure to spot the next time you sit down to watch with your kids.

Krauss has actually appeared on Sesame Street twice: The other time, she and Baby Bear briefly espoused the benefits of doing something fun every single day.