In the first episode, the cat says he will open the door with the raccoon so it doesn't copulate with whatever is knocking at the door.
Netflix rated this TV-PG. It should be PG-13. It makes reference to one of the creatures having sex with a garden gnome. The neighbor has a ball gag in his mouth and the characters talk about playing with his nipples.
Violence & Gore
Mild
multiple instances where the puppet animals describe torturing and/or killing people