One main character male ghost wears no pants. His shirt usually covers anything sensitive and when it doesn't, it's blurred.

Occasional mild sexual references, especially from one character.

The ghosts' refer getting sent to heaven as "Sucked Off" which is made fun of in some episodes

Many of the main characters are ghosts and they frequently discuss their deaths.

One of the ghosts has an arrow permanently in his throat, but no blood is shown.

One ghost died from a bear attack and you can occasionally see a bloody scratch on her back. It's never shown in detail though.

A headless character is shown in a couple of references, however his wound is not overly graphic.

Multiple uses of damn

Adults are shown casually drinking.

A hippie ghost is very absent minded due to all of the psychedelic drugs she did while alive.

A couple of ghosts make mild references to their drug consumption in the past.

The basement ghosts have an unsettling appearance to the point that even the other ghosts try to avoid them.