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,

British director Nicolas Roeg's "The Man Who Fell To Earth" is one such pioneering gem, and we’re celebrating the film’s 50th anniversary today to remind cinephiles of its dreamy atmosphere and poignant portrait of a benevolent extraterrestrial visitor ruined by human vices.