The Monster Master is the forty-seventh episode of Ultraman Taro.
Ultraman Taro duels with Gorgosaurus II in space, defeating it after a spectacular battle. Returning to Earth, Kotaro meets a young boy Ryuichi, an honor student at Kenichi’s elementary school. When Ryuichi hears the cry of a girl that he likes, he goes to help her and finds that strange small creatures have been emerging in the schoolyard. A monster, Geran, is the parent of the creatures and has awoken from its hibernation, preparing for vengeance!
- Ultraman Taro Volume 12 features episodes 46-49