This title is licensed for public performance by the MPLC umbrella license. Venture to the poles of the planet to observe the amazing creatures that endure-and thrive-in the harshest landscape of Earth. Examining the stages of polar life in each season, the program follows emperor penguins as they brave Antarctica's frigid conditions in order to raise their young and traces an Arctic food chain from microscopic plankton up to massive humpback whales. (2 DVDs; one disc is teacher resources).