Aaahh!!! Real Monsters

Aaahh!!! Real Monsters is an American animated television series developed by Klasky Csupo for Nickelodeon.[1] The show focuses on three young monsters—Ickis, Oblina and Krumm—who attend a school for monsters under a city dump and learn to frighten humans. Many of the episodes revolve around them making it to the surface in order to perform "scares" as class assignments.[2] The series premiered on October 29, 1994 on Nickelodeon.[3] Running a total of 52 episodes over 4 seasons, the final episode aired December 6, 1997.