
Dogs That Changed the World (Part 1) - Preview
Preview: Season 25 Episode 11 | 30s
Airs Wednesday, October 5, 2011 at 8:00 p.m. ET/PT. Check your local listings.
Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011
Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...

Dogs That Changed the World (Part 1) - Preview
Preview: Season 25 Episode 11 | 30s
Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011
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Learn Moreabout PBS online sponsorshipMajor support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, The Fairweather Foundation, Sue and Edgar Wachenheim III, Charles Rosenblum, Kathy Chiao and...