The third entry in the horror sci-fi franchise almost went in a completely different direction.

If you enjoyed Steven Spielberg's hit 'Disclosure Day' starring Emily Blunt, we suggest you watch these great UFO sci-fi movies ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Spielberg and ET looking at each other - Aaron Rapoport/Getty Images Steven Spielberg might be best known for "Jaws" and "Jurassic Park", but it's aliens where Spielberg seems to keep returning.

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 ...