You will Watch Aaahh!!! Real Monsters Episode 23 online for free episodes with HQ / high quality. Stream cartoons Aaahh!!! Real Monsters Episode 23 History of the Monster World Part One: The Gromble teaches students about their proud heritage. Feauturing their most important historical moments, like how the monsters helped to invent the wheel; or how they were the key on the rock an roll success story.