Beast With Four Eyes Aaahh!!! Real Monsters : Season 4 Episode 16

When Krumm is forced to wear glasses to correct his inexplicably blurry vision, he finds himself the object of mocking on the part of the other students. Krumm tries to go without his glasses, but he and all the students learn their value when a bespectacled Krumm saves a group of monsters after a scare goes wrong.