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.
Creator | Craig Bartlett |
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Actor | Spencer Klein, Francesca Marie Smith, Jamil Walker Smith |
Country | United States of America |
Production | Snee-Oosh Productions |
Season 0(6 episode) |
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Season 1(38 episode) |
Season 2(37 episode) |
Season 3(38 episode) |
Season 4(31 episode) |
Season 5(42 episode) |