Once the character of Charlie is written into the show in season 5, many jokes and storylines revolve around Sheen's past, which directly correlate to Crawford's past.

Some slap-stick comedy, i.e. people falling over, getting hit in the head, etc.

For the most part rather mild. Every episode has some mild profanities nothing too extreme.

The gang's main hang-out is a bar, many characters are seen drinking, and smoking legal substances.

There is one episode in which Mike consumes some Peyote that he recives from a Native American, this could be misunderstood as supporting drugs to younger viewers.

None