Also, there's been a video of a trailer of this show with a shot of Prairie Dawn in the 2009 show: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-iMnJL1Mgu3E.html
That was before the differences that happened later on: 2 speaking characters became background characters: Grundgetta from 2002 to the present and Zoe from 2009 to the present and Grover having, at least 2 small speaking roles when Abby Cadabby was added, and Barkley being dropped in the current version.