Arnold snaps at school after Helga tries his patience once too often.
Quest roles:
Anndi McAfee(Phoebe Heyerdahl (voice)), Maurice LaMarche(Big Bob Pataki (voice)), Tress MacNeille(Grandma Gertie (voice)), Craig Bartlett(Brainy (voice; uncredited)), Christopher Walberg(Stinky Peterson (voice)), Dan Butler(Mr. Simmons (voice))