The Neighborhood of Make-Believe poster used in this episode is the same poster that was included in a 1970 Neighborhood of Make-Believe play set.
Fritz Siegal passed away in February of 1989 at the age of 71. According to one online source, Siegal was a "retired concertmaster of the Pittsburgh Symphony Orchestra. As concertmaster for 20 years beginning in 1967, Siegal led the Pittsburgh symphony's first violin section and often served as assistant to the conductor.