Season 1, Episode 22 - "Waiting to Inhale"
Gil criticizes one of his favorite restaurants when its ambiance is ruined after a smoking area is added, so he seeks another hangout. When he realises that the best restaurants in Seattle are all adding smoking areas, he decides to try his first cigarette and after being caught doing the disgusting habit in the KACL bathroom, Roz agrees to help him quit. Meanwhile, Noel reveals to Bulldog that he used to be a smoker, and worries that Gil will make his cravings come back.
Next Episode - Previous Episode