1 Season
30 Episode
History Specials - Season 1 Episode 173 Target Earth (2013)
Watch History Specials - Season 1 Episode 173 Target Earth Full Episodes Online Free Streamings FMovies. On Target Earth, a 2-hour special on H2, scientists, government officials and other experts examine earth's infrastructures and life-support systems to theorize how humans would fare in an alien attack.
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- Genre : Documentary
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