Animals die and bodies rot. Also animals get eaten by predators.

The world "hell" is used a few times.

One episode us grants smoking habits, one episode talks about drugs taken in the asylum. Also another episode talks about beer exploding at the factory.

The series has an eerie and suspenseful atmosphere throughout.

The show features real abandoned locations which viewers may find unsettling.

Some viewers might be upset seeing the remains of civilization decay and crumble.