When Sarah turned on the TV and saw that the show's normally conservatively dressed hostess was now dressed like the girls that just left, she realized that by making people think that it wasn't odd for the girls to be dressed like that, she unintendedly made everyone think that dressing like a slut was normal.
At that moment, Sarah heard the front door open. Her parents were home! She hesitantly walked upstairs from the basement, afraid of seeing how different her parents now looked, thanks to her wish.