Eccentric Grandpa Ling, a relative of Peter's comes to visit. Bentley discovers that Grandpa has a habit of taking things he likes and leaving an item he considers of equal value in exchange.
| Name | Type | Role | |
|---|---|---|---|
| Leo Townsend | Writer | ||
| Cynthia Lindsay | Writer | ||
| Helene Heigh | Guest Star | ||
| Beal Wong | Guest Star | ||
| Charles Watts | Guest Star | ||
| Sidney Lanfield | Director |