Best TV shows for 3 year old kids?

I am one of those evil parents who allows his child to watch an hour or two of TV daily. The child in question is nearly 3 years old. I am looking for the shows that are the most educational or instructive for kids at this age. We are already big fans of Sesame Street and Super Why, both of which are very educational. Another favorite is Little Bill, which presents age appropriate plot lines for little ones. Any other suggestions? Please don’t mention Dora, Diego, Backyardigans, Wonder Pets, etc. Thanks!