Series synopsis
Leviathan, also known as リヴァイアサン is a Japanese animation sci-fi & fantasy comedy television series that premiered on Netflix on July 10, 2025. It ended on July 10, 2025. It stars Ayumu Murase, Natsumi Fujiwara, Shunsuke Sakuya and Yasuhiro Mamiya.
The fantasy world of Aquafall is abound with water and greenery, and populated by dragons and fairies. Meteorites of evil creatures threaten all living things on the planet. The fairy Syrup assembles the Aquafall Defense Force, with three girls of the dragon clans as recruits. The story follows Syrup and the dragon girls Leviathan, Bahamut, and Jörmungandr as they work together to battle enemies and grow up.
Premise
The fantasy world of Aquafall is abound with water and greenery, and populated by dragons and fairies. Meteorites of evil creatures threaten all living things on the planet. The fairy Syrup assembles the Aquafall Defense Force, with three girls of the dragon clans as recruits. The story follows Syrup and the dragon girls Leviathan, Bahamut, and Jörmungandr as they work together to battle enemies and grow up.
Cast and characters
Leading cast
- Ayumu Murase as Prince Aleksandar (voice)
- Natsumi Fujiwara as Sharp (voice)
- Shunsuke Sakuya as Count Volger (voice)
- Yasuhiro Mamiya as Klopp (voice)
- Mie Sonozaki as Dr. Nora Barlow (voice)
- Ivan Shibata as Newkirk (voice)
- Fairouz Ai as Lilit (voice)
- Hiroki Touchi as Nikola Tesla (voice)
Supporting cast
- Ikuko Tani as Nene (voice)
- Genta Nakamura as Hoffman (voice)
- Daichi Hayashi as Rigby (voice)
- Satoshi Niwa as Matthews (voice)
- Naoto Kobayashi as Thomas (voice)
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | July 10, 2025 | July 10, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Into the Storm 1914. Prince Alek of Austria-Hungary goes on an unusual practice session in a Stormwalker. In Edinburgh, Sharp eagerly takes flight in a Huxley. |
July 10, 2025 |
| 2 |
Prelude to War As Europe teeters on the edge of an all-out war, Alek struggles with his new life in hiding. Sharp gets acquainted with the Leviathan and its crew. |
July 10, 2025 |
| 3 |
Clankers and Darwinists Alek learns why he's hunted and, despite Volger's advice, sneaks out to aid the Leviathan's crew. He saves Sharp, who doesn't buy the prince's story. |
July 10, 2025 |
Production
Release
| Original network/platform | Netflix |
|---|---|
| First aired | July 10, 2025 |
| Last aired | July 10, 2025 |
| Runtime | 20 minutes |
| Status | ended |