The majority of our planet is covered in water, and yet we know so little about what lies beneath it's surface. Explore diverse aquatic ecosystems as you've never seen them before with this documentary set which includes "A World of Water," "Where Water Is Born," "Water's Pulse," "Uncertain Water" and "The Making of Planet Water." Includes a bonus DVD + Digital Copy on 2 Discs. 2005/color/125 min/NR/widescreen.