From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and time.
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Networks & Studios
History
H2Production Companies
Show Information
StatusEnded
TypeDocumentary
First Aired5/29/2007
Last Aired5/23/2015
Seasons9
Episodes88
LanguageEnglish
CountryUnited States
Creators & Crew
9
Seasons
88
Episodes
45m
Per Episode
2007
First Aired
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Cast
Seasons
9 seasons
