Timmy wishes to do the opposite of what his parents tell him to do. It goes well at first, but when they tell him to be a good boy, he turns evil and attempts to destroy Dimmsdale.

Cosmo tries to impress his classmates at a high school reunion by telling them that he is a self-billionaire. Meanwhile, Timmy is involved in a subplot in which he drinks too much lemonade, and needs to go to the bathroom, but at the reunion, the bathrooms can only be poofed to; therefore, Timmy cannot use the bathroom.