How the World Ends
Throughout history, people have prepared for the apocalypse. This series focuses on the different threats that may bring about the end of humanity.
3. Planet X
0.0Feb 26, 2017 · 60 min
A giant hidden planet with a gravitational pull so strong that it would literally cause the earth to turn upside down is on course to destroy us. Planet X has caused mass extinctions in the past. Some are preparing for the next celestial Armageddon.