The Underwater King (水中の王者 Suichū no Ōja) is the 8th episode of Ultra Galaxy Mega Monster Battle.


Mega Monster Battle File

  • Oki: Mega Monster Battle Files. Today's monster is this one. Space Monster Eleking. His most frequent attacks are a moon crescent shaped lightning shot and constraining the enemy with his tail.
  • Kumano: This is a very interesting monster for engineers.
  • Oki: Do you want to study this monster today?
  • Kumano: I'd love to.
  • Oki: I'll call Rei!
  • Kumano: Hey, I was joking!
  • Oki and Kumano: See ya!





Reionics Kaiju

Ordinary Kaiju

Home Media

  • Ultra Galaxy Mega Monster Battle Volume 5 Features episodes 8-9.


  • Originally Gubila was supposed to be Rei's third monster in the series Ultra Galaxy Mega Monster Battle. However, he was replaced by Eleking.
Ultra Galaxy Mega Monster Battle Episodes
The Lawless Monster Planet | The Fifth Crewman | The Transparent Monster Attacks! | Bemstar Has Arrived! | The Trap in Belargo City | Another Monster Tamer | The Stone Which Calls Monsters | The Underwater King | The Pendragon Doesn't Rise to the Surface! | Unexpected Reunion | Ultraman | Rayblood | Planet Escape
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