|Terror on Route 87|
|Ultraman, Episode 20|
|Screenplay by||Tetsuo Kinjo|
|Directed by||Yuzo Higuchi|
|Special skill director||Koichi Takano|
Demons Rise Again
Breach the Wall of Smoke
|Watch on Hulu|
- Hydra (First and only appearance)
- Ultraman Volume 5 Features Episodes 17-20.
- Ultraman Complete Series Features All Episodes.
- Hydra's name is taken from the Hydra of Greek Mythology. Hydra here however does not resemble Greece's interpretation of the Hydra at all.