Professor Arne B. Larson shows a few ancient musical instruments at Negri's Music Shop. In the Neighborhood of Make-Believe, Corny leaves on a business trip, ruining Lady Elaine's thoughts of a wedding between them.
| Name | Type | Role | |
|---|---|---|---|
| Fred Rogers | Writer | ||
| Arne B. Larson | Guest Star | ||
| Bill Moates | Director |