The 7D Episode 15 Uncle Humidor / Grim the Genius >Hildy has gotten fed up with Grim's incompetence causing Grim to find a way to become smart. The Crystal Ball hears his plight and tells Grim about the Smarty Stone (a stone that increases one's intelligence) that is in Doc's possession. When Grim obtains the Smarty Stone from Doc while posing as Toasty, it makes him magically smart where he is successful in his attempt to outwit the 7D and overthrow Queen Delightful. Hildy is delighted until she realizes that Grim is not paying as much attention to her. The 7D must now work to outsmart Grim and reclaim the castle.