You're talking about, I believe, Episode 1463 - Mr Rogers goes to school. I found it in the internet archive here: https://archive.org/details/ipoy143season10

You're talking about, I believe, Episode 1463 - Mr Rogers goes to school. I found it in the internet archive here: https://archive.org/details/ipoy143season10 https://archive.org/details/ipoy143season10 Edit: The correct episode in question is Ep 1462.