Two riveting programs from "Nova" explore the mysteries of Central America's Mayans, a fascinating and impressively advanced civilization. First, "Lost King of the Maya" examines the legend of Yax K'uk Mo', a barbaric ruler who supervised violent sporting contests, drug-fueled spiritual reveries, and ceremonies of human sacrifice in the city of Copán. Next, "Maya Lords of the Jungle" reveals the secrets of the Mayan hieroglyphics, visits the majestic temples that provide key links to a long-vanished past, and more. 112 min. total on two discs. Soundtrack: English.