With that in mind, here is your guide to who's who in the new, long-awaited FX series. Sydney Chandler leads "Alien: Earth" as Wendy, a young, terminally ill girl who becomes the world's first hybrid when she has her consciousness transferred into an adult,

Here’s where “Alien: Earth” falls in the sci-fi timeline and what you need to watch to be ready.

Wendy and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat in FX's new series.