More than five years in the making, PLANET EARTH redefines blue-chip natural history filmmaking and continues the Discovery Channel mission to provide the highest quality programming in the world. The 11-part series will amaze viewers with never-before-seen animal behaviors, startling views of locations captured by cameras for the first time, and unprecedented high-definition production techniques. Award-winning actress and conservationist Sigourney Weaver is the series' narrator.

PLANET EARTH airs on consecutive Sundays from March 25 through April 22