Due to all the noise being made by all the citizens of the city on a daily basis, the monster Magmanamus is awakened. However, when he goes to the surface to try and get the people to be quiet, he ends up causing even more noise since the people are frightened of him. Now, Monkey prepares to fight him, unaware that Magmanamus only wants peace and quiet, so he can sleep.
Elenco: Christine Cavanaugh , Allison Moore , Kath Soucie , Jeff Bennett , Frank Welker , Candi Milo , Eddie Deezen , Kathryn Cressida , Mako , Maurice LaMarche , Rob Paulsen , Tom Kenny , Dee Bradley Baker .