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Networks & Studios
Networks
National GeographicProduction Companies
Show Information
StatusEnded
TypeDocumentary
First Aired3/7/2011
Last Aired11/20/2015
Seasons5
Episodes31
LanguageEnglish
CountryUnited States
Creators & Crew
5
Seasons
31
Episodes
60m
Per Episode
2011
First Aired
Content Ratings
Languages
External Links
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Seasons
5 seasons
