Watch Leviathan Online

★ 6.2 1 Seasons AnimationAction & AdventureSci-Fi & Fantasy

Want to stream Leviathan? Firestick IPTV brings Leviathan to every screen you own in 4K Ultra HD. Here is everything you need to watch it.

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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)

How to Watch Leviathan on Firestick IPTV

Watching Leviathan on Firestick IPTV takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.