Here's how Alien: Earth fits into the overall Alien timeline. While Romulus was set in the year 2142—right smack in between the events of Alien, which takes place in 2122, and the 1986 James Cameron-directed sequel Aliens, set in 2179— Earth serves as a prequel series that takes place in 2120, two years before the events of the original movie.

Noah Hawley’s new expansion to the “Alien” franchise introduces a host of new characters and concepts — and some disgusting new monsters.