Sid the science kid change happen

Sid the Science Kid, also known as Jim Henson's Sid the Science Kid, is an American animated educational children's television series produced by The Jim Henson Company in association with PBS affiliate KCET, that aired on PBS Kids from September 1, 2008 to March 25, 2013. The show is created using digital puppetry. Each character required two puppeteers working in concert, one performing the face and mouth using a remote manipulator or Waldo, and the other performing the body using performance capture.