What is the definitive guide to the best PBS shows for kids according to Mommy Poppins?

I'm sorry, but the available content doesn't provide a definitive guide to the best PBS shows for kids according to Mommy Poppins. However, it does mention that there are some great PBS shows with an educational twist.

Would you like to know more about other educational resources or activities for kids that Mommy Poppins recommends? Or perhaps you're interested in ideas for kids' summer vacations?