Ever since 1979, moviegoers have been terrified by the nameless xenomorph introduced in Alien. And the success of that movie ensured that this franchise expanded even quicker than a chestburster ...

With a timeline as knotty as a Xenomorph's biomechanical skeleton, it's not the easiest thing in the world to work out how to watch the Alien movies in order. Alien: Earth's first season wrapped up ...