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Synopsis
What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, National Geographic explores this frightening scenario. Experts reveal what could motivate alien invaders to attack Earth, and speculate on how the attack might play out, the strategy alien invaders might use, and the most effective ways for humans to respond. 
Original title When Aliens Attack
TMDb Rating 5.8 4 votes
Director
Director
Cast
Narrator (voice)
Self - SETI Institute
Self - U.K. Ministry of Defense
Self - Director of Defense Studies
Self - Theoretical Physicist (archive footage)
Self - USAF Air Command and Staff College
Self - Physicist & Author
Self - Co-Author
Self - Author
Self
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