Kimberly's hair turns green before a date, due to using a copper bowl affected by acid rain to wash her hair, which gets the Drummond family talking about how to help the environment.

Willis saves Arnold's life, so Arnold feels obligated to dote on him constantly. In order to get Arnold off his back, he sets up a fake robbery at his job so Arnold can save him and even the score. When Arnold finds out what Willis is up to, he decides to have a little fun with the "robber," not knowing that a real robber has come to hold up the place.