Twins Barry and Garry Nelson visit the television house. Rogers helps Betty Aberlin play a marble game. In the Neighborhood of Make-Believe, the Nelsons help Daniel play with a ball.
| Name | Type | Role | |
|---|---|---|---|
| Fred Rogers | Writer | ||
| Garry Nelson | Guest Star | ||
| Barry Nelson | Guest Star | ||
| Sam Silberman | Director |