Mike takes the entire family on a trip to King's Island amusement park, where he is to submit plans to a client, but the a mix-up causes the blueprints to go missing at the park.

Cast: Robert Reed, Florence Henderson, Ann B. Davis, Maureen McCormick, Eve Plumb, Susan Olsen, Barry Williams, Christopher Knight, Mike Lookinland, Hilarie Thompson, Bob Hoffman, Lloyd J. Schwartz