5 Season
186 Episode
Hey Arnold! - Season 1 Episode 30 Olga Comes Home (2004)
Helga decides to give her talented sister Olga a taste of reality by changing her grade in her report card.
- Country : United States of America
- Genre : Family, Animation, Comedy, Kids
- Studio : Nickelodeon
- Director : Craig Bartlett
- Cast : Spencer Klein, Francesca Marie Smith, Jamil Walker Smith, Olivia Hack, Anndi McAfee, Justin Shenkarow