In May 1979, parents took their children to see the opening day of "Alien," believing that "something like that could happen in real life" and feeling that kids needed to be prepared. Directed by Ridley Scott, "Alien" is a sci-fi horror film that follows the crew of the spaceship Nostromo. They encounter a lethal alien creature after investigating a distress signal on a distant moon, leading to a suspenseful fight for survival. | History In Pictures