The entire plot of this episode is that Sabrina and her mom broke the Witch's Counsel rules and saw each other so her mom turned into a ball of wax. However, in the pilot, Sabrina's father, Edward, told her that the rule was, "Your mom will turn into a ball of wax if you see each other within 2 years. That was on Sabrina's 16 birthday, 5 years before this happens in this episode.