Watch Leviathan Online
Leviathan (2025) — Animation, Action & Adventure, Sci-Fi & Fantasy. Watch Leviathan online on StreamBox in 4K Ultra HD, with no downloads and no buffering.
What is Leviathan about?
Set in an alternate steampunk past, an Austrian fugitive prince and a Scottish airman in disguise embark on an unexpected quest to prevent a world war.
Latest episode
S1 · Episode 12 — Under the Same Sky · 2025-07-10
Tesla issues a deadly ultimatum as a last resort. Can Sharp and Alek, stuck on opposing sides, prevent the conflict from escalating before it's too late?
- Genres
- Animation, Action & Adventure, Sci-Fi & Fantasy
- First aired
- 2025-07-10
- Rating
- ★ 6.2 / 10
Top cast
- Ayumu Murase Prince Aleksandar (voice)
- Natsumi Fujiwara Sharp (voice)
- Shunsuke Sakuya Count Volger (voice)
- Yasuhiro Mamiya Klopp (voice)
- Mie Sonozaki Dr. Nora Barlow (voice)
- Ivan Shibata Newkirk (voice)
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