A group of monsters treating the school like their playground the moment humans leave. The comedy lives in the gap between what each monster is supposed to be and who they actually are, a vain vampire who cares more about his reflection than the chaos around him, a zombie that smells but never lets it stop the fun. This is friendship built on stupidity and heart in equal measure, night school as the perfect excuse to let these five just be weird together without consequences.

Once night falls and the human children of Freemont Elementary have left for the day, a band of oddball monsters slips out for slapstick escapades of their own. The group is made up of a self-admiring vampire, a carefree goblin, a foul-smelling zombie, a cuddly Frankenstein and a prankish ghost. Their after-hours schooling brings them together, and the adventures they share build a close bond between them. The result is a supernatural comedy that finds its laughs in physical gags and in the clash of five very different monster personalities.