Amazon has a great deal on the Planet Earth: The Complete BBC Series. You can get the entire series for only $21.84 (reg. $79.98). It is eligible for free super saver shipping. The 11-part series shot entirely in high-definition: From Pole to Pole, Mountains, Fresh Water, Caves, Deserts, Ice Worlds, Great Plains, Jungles, Shallow Seas, Seasonal Forests, Ocean Deep.