Monster's Solo Journey is the twelfth episode of Ultraman Taro.
Kotaro, Saori, and Kenichi are on their way to Miyazaki for vacation. On the boat, they encounter Takeshi, a young boy, who is traveling alone as a stowaway to meet his father. Takeshi proudly tells them that his father is drilling hot springs in Miyazaki. When they land, they find out that a monster has attacked the mountain and eaten Takeshi’s father!
- Ultraman Taro Volume 3 features episodes 10-13.