One of the earliest environmentalists in children's literature, the Lorax attempts to save the truffula trees from destruction by the Once-ler, who aims to capitalize on their fruit in this adaptation of the popular Dr. Seuss tale. Watch the Lorax fight for his cause in this animated feature, which also includes "Pontoffel Pock and His Magic Piano," about a piano-playing sprite who travels through space and time in a blink.