|The Dragon's Capital|
|Ultraman Gaia, Episode 11|
|Screenplay by||Kenji Konuta|
|Directed by||Masaki Harada|
|Special skill director||Hiromasa Mitsudome|
Monster Encircling Net
|Watch on Crunchyroll|
The investigation into a water shortage in Tokyo leads to the appearance of multiple dragon-like heads from underground, and Gamu has to guide Team Hercules to the location of creature's body.
- Mizunoeno Dragon (First appearance)
- Ultraman Gaia Volume 3 features episodes 9-12.
- The episode gets its name because Mizunoenoryu lives in a cave under the city of Tokyo.
- This is second appearance of Team Hercules, after their appearance in episode 2.