There's a sly cameo from Naru from 'Prey,' but originally it didn't stop there.

From the classic Schwarzenegger original to the franchise-reviving Prey, see how all the sci-fi horror flicks stack up ahead of the latest installment.

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 ...