When Tina and Luci are playing basketball, Tina is disappointed when she can't play as well as her older sister or the other big kids. Barney stops by to show Tina all the great things she can do with exercise. Barney and the kids play games and sing songs about exercise and find out how fun it is to learn about their bodies. With new found energy and confidence, Tina ends up playing basketball as well as the others.
