The Grades
Run Time: mins
Air Date: Mon, 27 Feb 2017
Average Rating: ⭐ 8.7 (3 votes)
Cartoon Network HuluSeason 5 - Episode 23
Average Rating: ⭐ 8.7 (3)
When a failed test grade brings down Gumball’s grade point average, he is forced to return to kindergarten.