Simon sees his teacher push a man who was screaming at his son. He then feels guilty when he learns his teacher got fired. Annie takes piano lessons as her ""pregnancy project."" Meanwhile, Matt makes a move on one of his college teachers. It turns out he misunderstood her signals. Mary and her friends skip a boring class and get caught. Also, Lucy forgets her lunch in geometry class and finds her teacher eating it--- two days in a row. She and her friend Shelby then learn a good geometry lesson. Lastly, Ruthie has trouble finding the perfect instrument for music class.