OK K.O.! Let's Be Heroes (2017)

Episode Overview

Feeling frustrated by his small stature, K.O. receives a magical candy bar from Rad that promises to make him bigger. However, K.O. quickly learns that growing in size comes with unexpected challenges. While attempting to assist Mr. Gar, he unintentionally tosses the car keys into the sewer due to his newfound height. Now, K.O. must revert to his original size to navigate the tight space and retrieve the keys, realizing that being small has its own advantages.