Forty years ago this year, moviegoers were introduced to a new kind of terror when Ridley Scott's Alien burst onto the screen, raising the bar for science fiction and horror movies in one fell swoop. Since then, that film has spawned a whole universe of sequels, comics, books, games, and merchandise -- but how well do you know that original film? What follows are 10 pieces of trivia about film Alien -- but one of these entries is totally made up. Can you spot this sneaky stowaway before we reveal the answer at the end of the video? Well, if you can't, I'm sure someone will spoil it in the comments. Here are 9 Facts and 1 Lie about Ridley Scott's Alien.