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.

From Close Encounters to Disclosure Day, here's every Steven Spielberg movie featuring aliens or extraterrestrial life, and where to watch them.

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,