Bubbles and Smush, Closet Monsters

Bubbles and Smush are two medium sized monsters living in the river near WizTech, a school for wizards, dr'gons, and knights. When they're favorite dr'gon goes missing, the two sneak into the school to find they're lost friend, causing chaos every place they look. Will Bubbles and Smush find Cl'rnce, or is there friend gone for good?