Teddy's teacher, Mr. Piper, unfairly marks her test wrong and refuses to correct himself, and Teddy winds up getting detention by snapping the point on his pencil out of frustration. Things get even worse when Amy ("Mama Bear") takes matters into her own hands. Meanwhile, Bob takes Charlie to a ballet class and winds up participating and Gabe helps PJ prepare to tell Skyler's old boyfriend (who happens to be captain of the wrestling team) to back off. .