Mike brings along the family on a business trip to an amusement park in Cincinnati. But when a mix-up occurs with Mike's blueprints, the Bradys must scour the park to find them.
| Name | Type | Role | |
|---|---|---|---|
| Larry Rhine | Writer | ||
| Al Schwartz (I) (1910–1988) | Writer | ||
| Hilarie Thompson | Guest Star | ||
| Bob Hoffman | Guest Star | ||
| Leslie H. Martinson | Director |