When Aliens Attack (2011)
Trailer

When Aliens Attack

Watch When Aliens Attack full movie online Movies123. Watch When Aliens Attack 123movies online for free. When Aliens Attack 123movies: 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.