Unsealed: Alien Files

Alien Apocalypse (3x5)

Air date: Feb 28, 2014

* Millions of people believe extraterrestrial live on Earth. Are the aliens here to enlighten us or destroy us? * What if the worst-case scenario happened? What would aliens do? And how would they do it? Join us as we examine the possibility of a doomsday scenario orchestrated by an alien enemy.