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,

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is being visited by creatures from light-years away.

Veteran actor James Cromwell began his association with "Star Trek" in the 1990 "Star Trek: The Next Generation" episode "The Hunted." In that episode, he played Nayrock, the Prime Minister of Angosia III, a world that hoped to join the Federation.