After years of waiting and teasing, we have our first full look at Alien: Earth, and the series is shaping up to be exactly as creepy (and creature-filled) as you’d been hoping for.

The show’s new trailer certainly captures that eerie tone, but it also has a few surprises in store. Most notably: there’s not just one alien species, but “five different life forms from the darkest corners of the universe.” Even though many of this Earth’s humans are synthetic, that’s a lot to take on.

FX has released the official trailer for the sci-fi horror series Alien: Earth. Here are the three biggest reveals from the footage.