Season 5: Episode 100: The Physical
After a weekend eating binge, Cliff hopes to flush out his system before his upcoming physical. The doctor tells him that he is in pretty good shape, but has very high cholesterol. Cliff admits that he has a tendency to overindulge in high-fat foods. Clair promises to help him stick to a more reasonable diet to help him lower his cholesterol before his next blood test. Denise commits many mistakes on her new job, but complains that she doesn't receive any credit when she does something right. She goes to her boss and demands some respect, as well as a promotion. He fires her. While drowning her sorrows at a pizza parlor, she gets a job as a waitress. She is confident that this will somehow pave the way for her big break.