A woman rides a man in the first episode, but there is no nudity, just moaning and body movement of both characters.

Double figures of F word in first 10minutes

F words and other profanities are scattered throughout the first season

Ridiculous amounts of profanity, especially in 2nd season.

Several episodes include drinking.

There are several scenes of world-ending catastrophes.

The killing that occurs is frequent with extreme gore. Many of these situations are sudden and over the course of the show are heavily emotionally taxing on viewers.