Watch the Alien franchise in order with our comprehensive list, from the 1979 original to Alien: Earth, and including the Alien vs. Predator crossovers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Steven Spielberg’s fourth film about alien encounters is “Disclosure Day,” following “ET: The Extra-Terrestrial,” “War of the Worlds,” and “Close Encounters of the Third Kind.” That inspired us to take another look at what Roger Ebert thought about some of the most famous and infamous alien movies,

What Is Disclosure Day actually about? We take a deep dive into the secrets of Steven Spielberg's latest sci-fi opus.

EVE HEWSON: (As Jane Blankenship) What are you going to do? O'CONNOR: (As Dr. Daniel Kellner) Full disclosure to the whole world. FLORIDO: It is the latest film that Spielberg has directed about aliens visiting Earth. Of course, there are many other films ...

Fire In the Sky was based on the 1978 book The Walton Experience from real-life logger Travis Walton. In it, Walton details his own alleged experience with an alien abduction on November 5, 1975, a tale which he first sold to The National Enquirer.

Sci-fi is something of a specialty for Spielberg, especially when there are aliens involved. Read on for more.