When a failed test grade brings down Gumball’s grade point average, he is forced to return to kindergarten.
| Title | The Grades |
|---|---|
| Genres | Animation Family Sci-Fi & Fantasy Comedy |
| Release Date | 2017-02-27 |
| Episode Runtime | 00 Hours 11 Minutes |
| Season Number | 5 |
| Episode Number | 23 |
| Production Companies | Cartoon Network Studios Europe, Boulder Media, Studio Soi, Hanna-Barbera Studios Europe, Dandelion Studios |
