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Networks & Studios
Networks
National GeographicShow Information
StatusEnded
TypeDocumentary
First Aired5/7/2006
Last Aired12/29/2010
Seasons4
Episodes30
LanguageEnglish
CountryUnited States
Creators & Crew
4
Seasons
30
Episodes
45m
Per Episode
2006
First Aired
Keywords
Languages
External Links
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Cast
Seasons
4 seasons
