The Brady Bunch (1969)

S5E11 The Cincinnati Kids

Mike needs to showcase his designs for an expansion at King’s Island amusement park in Cincinnati, so he brings the entire family along for support. However, a mix-up leads to Mike ending up with a Yogi Bear poster, while Jan accidentally takes hold of his important plans. In a twist of fate, Jan misplaces the plans during one of the park's thrilling rides, putting Mike's presentation at risk.