Hé, Arnold! - Season 4 Episode 15 15. epizód
After Grandpa tells Arnold that he never got his grade school diploma, Arnold convinces him to come to go back to school at P.S. 118.
- Műfaj: Family, Animation, Comedy, Kids
- Stúdió: Nickelodeon
- Kulcsszó: 90s’ animation
- Öntvény: Spencer Klein, Francesca Marie Smith, Jamil Walker Smith, Olivia Hack, Anndi McAfee, Justin Shenkarow
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