As Dean (Elisha 'EJ' Williams) practices his heart out on the saxophone, his father, Bill (Dule Hill), shows him he still has a long way to go, and that he's got to keep practicing as hard as he can. His sister, Kim (Laura Kariuki), explains why she doesn't have to practice as much as Dean does. From 'The Wonder Years' season 1, episode 12, 'I'm With the Band.' Watch 'The Wonder Years' WEDNESDAYS 8:30/7:30c on ABC. Stream on Hulu.