The '90s had plenty of beloved alien movies, but this obscure gem starring Charlie Sheen is a great addition for Prime Video subscribers hungry for more sci-fi.

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,

With Steven Spielberg’s “Disclosure Day” due in theaters this week, we give props to the best space invasion movies of all time.