Hey Arnold! - April Fool's Day

Seizoen: 0 - Aflevering: 10 / 10 - Eerst uitgezonden: 01 april 2002 - Episode ID: 1363093

Arnold is sick and tired of everybody preforming their April Fool jokes on him (escpecially Helga), so he tries one of his own, but it backfires when it temporarily blinds Helga.