When Aliens Attack (2011)
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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.
Read the When Aliens Attack feature →Top billed cast
Full cast & crew →
James LurieNarrator (voice)Elise CantuSurvivor
Seth ShostakSelf - SETI Institute
Nick PopeSelf - U.K. Ministry of DefenseBrian De ToySelf - Director of Defense Studies, West Point
Stephen HawkingSelf - Theoretical Physicist (archive footage)Paul SpringerSelf - USAF Air Command and Staff CollegeTravis TaylorSelf - Physicist & AuthorBob BoanSelf - Co-Author, Alien Invasion: How to Defend EarthMichael MichaudSelf - Author, Contact with Alien CivilizationsJohn RingoSelf - Author, Live Free or DieMark MoffettSelf - Author: Adventures Among AntsMovie DNA
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Viewing momentFrequently asked questions about When Aliens Attack
What is When Aliens Attack about?
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.
How long is When Aliens Attack?
When Aliens Attack has a runtime of 90 minutes.