This is a rare instance in which the Neighborhood of Make-Believe is seen at night. The other occurrence was in Episode 1519 from the "Day Care & Night Care" series.
Mr. Rogers: We have so many things we think about, and feel, and are curious about, don't we? Of course. That's how we learn things. We think about them, we feel about them, we're curious about them. That's part of who we are.
This was Little Panda's last visit.
This was Purple Panda's last appearance.