Unsealed: Alien Files

Top 10 Alien Plots (1x15)

Air date: May 06, 2013

Many people believe we are not alone. But if aliens share this planet, what are their plans for us? We'll unseal the Top 10 Alien Plots and let you know if ET came in peace or if he has something else in mind. Aliens' plans for the human race may be peaceful or not.