Steven Spielberg wanted to make Disclosure Day as a "summation" of all his sci-fi films.
The iconic director's latest blockbuster is out now, and follows a long history of his own sci-fi movies, including the likes of 1977's Close Encounters of the Third Kind, 1982 classic E.T. the Extra-Terrestrial, and 2005's War of the Worlds.
He told Entertainment Weekly: "I'm telling the story about an area of interest that I have never been able to divest myself of.