(Airs Sunday, June 7) Underdogs tells the poignant story of two misfit dogs whose lives were turned around by people who saw their potential for greatness.
Episodes
Underdogs: Introduction
Holy Cow: Introduction
(Airs Sunday, May 31) About 8,000 years ago, the relationship between cows and man began with the revolutionary advent of domestication in Mesopotamia, the Indus River Valley, and Africa.
Victoria Falls: Introduction
At Victoria Falls, the Zambezi River reaches the edge of one world and plummets 350 feet into another. At over a mile wide, no other waterfall can match her scale.
Voyage of the Lonely Turtle: Introduction
(Airs Sunday, May 10) Along her 9,000-mile voyage to nest, our loggerhead tour guide encounters hammerhead sharks, deep ocean tempests, and fishing nets.
Eagles of Mull: Introduction
Returning home to the Isle of Mull after 15 years abroad, Gordon Buchanan was happy for the chance to take a new look at his native land, through his camera lens.
Crash: A Tale of Two Species: Introduction
(Airs Sunday, April 26) The red knot makes one of the longest migrations of any animal. To accomplish this feat, it relies on the eggs of the horseshoe crab. Without these eggs, the red knot is in danger.
Andes: The Dragon’s Back: Introduction
(Airs Sunday, April 12) The Andes is an extraordinary world of diverse terrain, extreme temperatures and multifarious wildlife.
The Loneliest Animals: Introduction
Around the globe, unique and fascinating species face extinction. Follow the plight of these creatures and the dedicated conservationists who fight for them.
Frogs: The Thin Green Line: Introduction
More than a third of all amphibians have already been lost, and more are disappearing every day. A fungus called chytrid has been identified as the major culprit.



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