It appears that Mr. Drummond's attempts to adopt Arnold and Willis will be aborted by a conniving junk dealer until the boys take matters into their own hands. Whitman Mayo guest stars as "long-lost relative" Jethro Simpson who has arrived with a letter supposedly written by the boys' father, leaving Arnold and Willis in his custody.
| Name | Type | Role | |
|---|---|---|---|
| Alan Rosen | Writer | ||
| Fred Rubin | Writer | ||
| Whitman Mayo | Guest Star | ||
| James Reynolds | Guest Star | ||
| Walter Stocker | Guest Star | ||
| Gerren Keith | Director |