First Aired: August 19, 2007
Examining the extinction of the dire wolf, the largest known canine, and why the gray wolf, its smaller, weaker relative, survived.
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- Rating: None
- Premise: A classic series of films exploring nature and man in various cultural and historical contexts. Beginning in the 1960s (when they aired on CBS), the specials set a standard for vivid documentary filmmaking and the many `Nat'l Geo' prizes include Emmys for… (more)