Invasion Earth (2014)

Have humans really seen crafts and beings from other planets? Or is there a perfectly reasonable explanation for these sightings? Invasion Earth investigates the world's most intriguing UFO sightings to answer the age old question – are we alone? With the help of scientists, aviation and military experts, all the evidence is thoroughly examined and tested.

Track
0 trackers | Status: Ended | Airs on National Geographic (US) | Thursday 8:30 PM