5 Season
186 Episode
Hey Arnold! - Season 4 Episode 15
Adventure is never more than a bus stop away.
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.
- Year: 2004
- Country: United States of America
- Genre: Family, Animation, Comedy, Kids
- Studio: Nickelodeon
- Keyword: 90s’ animation
- Director: Craig Bartlett
- Cast: Spencer Klein, Francesca Marie Smith, Jamil Walker Smith, Olivia Hack, Anndi McAfee, Justin Shenkarow