Arnold and Sam boost their parents' romance.
Freshman Willis heads off to college.
A teacher gives lazy Arnold a unique punishment.
A music teacher (Clarence Clemons) helps Arnold.
Arnold and Drummond clash over free speech.
Arnold lies about his relationship with a girl.
Arnold books a celebrity for Sam's birthday.
Arnold must pull a cruel prank to join a club.
Arnold suspects Kimberly has an eating disorder.
Willis takes over as Sam's big brother.
Arnold plots to hide his failing grade.
Sam finds the truth behind a classmate's taunts.
Willis bribes a girl to go out with Arnold.
Arnold is stuck in a darkroom with Lisa.
Arnold sees high-school athletes take steroids.