A tense misunderstanding where Arnold is wrongly blamed for a prank.
Direct professional succession; Wartz's resignation and Simmons' promotion reshape school leadership.
A conflict born from miscommunication and school authority enforcement.
Arnold is indirectly affected by Wartz's strict administrative policies, which trigger leadership changes.
Grandpa Phil represents the older generation observing and reacting to school administration changes.
Explore the full interactive character relationship map of Hey Arnold!