Editor's note: The below contains spoilers for Alien: Earth Episode 4. When Ridley Scott's Prometheus came out in 2012, many fans were disappointed by the lack of xenomorphs. Scott aimed to fix that ...

The Xenomorph is the star of the show in Alien: Earth, but after catching episode 4, “Observation,” I'm starting to think the eyeball-octopus monster might be a bigger threat than anyone realizes.