A Grandma-ma look-a-like robber switches places with the her to make an escape. Duckman suspects that Grandma-ma isn't quite herself, of course no one believes him. The Agnes reveals herself and holds the family hostage.
| Name | Type | Role | |
|---|---|---|---|
| Bill Canterbury | Writer | ||
| Gene Laufenberg | Writer | ||
| Wayne Tippit | Guest Star | Voice | |
| Brian Doyle-Murray | Guest Star | ||
| Lynette Mettey | Guest Star | ||
| John Eng | Director |