Arnold takes up smoking cigarettes to impress the kids at school, but ruins his brand new sweater when he gets burning ashes on it. He then learns the dangers of smoking from Dudley's father, who is in need of surgery because of his habit.

Arnold and Kimberly hitchhike to get home for Mr. Drummond's birthday party and are picked up by a man who takes them to his apartment and tries to have his way with Kimberly.