IMDb
5.8 /10
112 votes


Science Fiction · Fantasy · Documentary · 2011 · 1h 30min
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.
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IMDb
5.8 /10
112 votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
5.8 /10
4 votes
Letterboxd
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Weighted average
5.8/10