The second trailer has been unveiled for Planes, Disney's animated spin-off of the hit Cars franchise. The story follows a young plane named Dusty Crophopper (Jon Cryer), a cropduster who, ironically, is afraid of heights. With the help of his friends in Propwash Junction, he tries to overcome his fears to compete in a famous aerial race. Take a look at the latest footage from director Klay Hall's animated comedy, arriving in theaters August 9.