- Mild
- A 15 or 16-year-old guy buys a club and starts to drink.
- Maroni smokes a cigar and some other gangsters all smoke cigars too sometimes there is paraphernalia as well like ashtrays
- Riddler get high off his pills and hallucinates after he thinks he kills oswald
- Smoking is infrequent but when it does happen it's brief. Cigars are often smoked in the backround but a couple times throughout gangsters smoke cigars. A man puts a cigerete in his mouth but smokes it off screen and there are more scenes of brief cigarette smoking outside most are blink and u miss it
- Some use of alcohol and some smoking, usually in Fish Mooney's club.
- Oswald Cobblepot gets drunk in one episode. This is more humorous than anything.