The film about marbles was made in association with Marble King in Paden City, WV. This is the same film shown in Episode 1750 from the When Things Get Broken series.
First episode to feature voice actor/puppeteer Michael Horton, and the first appearance of Betty Okanak Templeton.
A clip of Fred Rogers closing the program only to discover that the crew has changed his dress shoes for a smaller pair comes from this episode.