Steven Spielberg's Disclosure Day has finally arrived, giving us another great alien movie from the legendary director. Where does it rank, though?

With Disclosure Day upon us, now is a fantastic time to discover underrated or forgotten alien films that should be seen by any movie lover.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Alien Day was this past ...