none.

This episode is far more psychological than the previous episodes.

not as much as the previous ones, but a puppet does dream that his drowning in oil. Also his eyes are shown bleeding after going insane near the end.

Some people claim to hear "fuck" during the pub scene, but it's debateable whether it's even there, much less if it's audible. It was most likely off the set if it even exists.

Very briefly, you can see a character who is literally a cigarette.

Drinking and smoking at a bar