As Dean (Elisha 'EJ' Williams) practices his heart out on the saxophone, his father, Bill (Dulé 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 WonderYears' season 1, episode 12, 'I'm With the Band.' Watch 'The WonderYears' WEDNESDAYS 8:30/7:30c on ABC. Stream on Hulu.