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4 Episodes 1992 - 1998
Episode 1
60 mins
National Geographic goes to Botswana to examine the struggle for survival between lions and hyenas.

Episode 3
Wed, Apr 29, 1992
A National Geographic documentary that follows the lives of several families and how they make their livings in one of the worlds most extreme climates. Alaska.
Episode 4
Wed, Nov 18, 199260 mins
Beneath our sunlit world lies an unknown universe of breathtaking caverns, treacherous passageways, and absolute darkness. This video explores a new cave, New Mexico's Lechuguilla, first penetrated in 1986; it contains gypsum chandeliers, gnarled calcite columns, and jewel-like lakes. The video also includes footage from the 1972 expedition that discovered a passageway linking the Mammoth and Flint Ridge Cave systems, creating the longest cave network in the world.

Episode 5
Sun, Apr 12, 1998
Follows a red kangaroo mother and her joey.