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Season 1 – Leviathan

Play trailer 1:43 Poster for Season 1 – Leviathan Jul 2025 Action Drama Fantasy Anime Play Trailer Watchlist
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80% Tomatometer 5 Reviews Popcornmeter Fewer than 50 Ratings
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.
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Leviathan — Season 1

Critics Reviews

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Jeremy Looney Common Sense Media Jan 20
3/5
This show is a surprisingly pleasant journey into a world of steampunk and a little bit of real history. Go to Full Review
Elijah Gonzalez Endless Mode Oct 31
7.6/10
Leviathan may fall into archetypes and predictable plot points, but at its best, it soars above many of its peers thanks to confident visual execution. Go to Full Review
John Serba Decider Jul 17
The popularity of Westerfeld’s work will fuel Leviathan, luring in devotees, so why stretch the boundaries of anime for an adaptation? So far, so above-average. Go to Full Review
Jonathon Wilson Ready Steady Cut Jul 10
2/5
The material’s bounty of conceptual riches makes one wonder why all of them are sidelined in favour of a torpid teen romance. Go to Full Review
Isaiah Colbert io9.com Jul 3
While imperfect, Leviathan is a heartfelt series that rises above its visual shortcomings through strong writing, a resonant thematic core, and the compelling bond between its leads. Go to Full Review
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Audience Reviews

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Dim H @RT20809312 Jul 24 If you haven't read the books, this is okay. But if you have read the books, this is pure frustration. A missed opportunity. Except for the first two parts, this story is nothing like the original. 2-dimensional characters without depth or growth. They changed Sharpe into a caricature of herself. This is really sad. My recommendation: read the books. There are people who give this 5 stars, claim to be fans of the books, and are asking for another season. If you were a fan of the books, you would know the story is told, and there is nothing more. See more MBANGALVIN T @RT95615016 Jul 19 Leviathan on Netflix delivers stunning animation and inventive steampunk worldbuilding, reimagining WWI with bio-engineered beasts and mechs. Objectively, it earns praise for emotional character arcs, like Alek's growth, and themes of unity . See more Jared L @RT74028746 Jul 18 Fantastic Show! It has a very Studio Ghibli feeling to it. Set as an alternate world war 2 exploration, the series has a very inclusive and imaginative feeling to it. There are many strong characters who develop as the season progresses. The art style and direction are both strong and work well for the story. I think the popularity of this series will grow as more people discover it! See more Jacoby U @RT35649140 Jul 15 The entire trilogy of novels crammed into one 12 episode season with 20-30 minute episodes, absolutely doesn't do the story justice. Even then it was pretty okay for the most part, up until the last 4 episodes that is. A bunch of unnecessary and frustrating changes, including completely abandoning the ending of the books, with the main characters going down complete opposite paths from the ones they took in the book, and their romance also abandoned as a result. I really wanted to love it, despite my issues with how much of the story was being adapted into such a short timeframe, but it doesn't remain faithful to the source material, doesn't capitalize on the uniqueness of the world, and rushes through proper development of its characters and plot. As an adaptation, it drops the ball, and as its own self-contained story, it's frustratingly mediocre. Also, anyone who claims to be a fan of the books, but asks if there will be a season 2, clearly isn't as familiar with the story as they pretend, seeing as how there's nothing left of the story to adapt into future seasons. They stuffed it all into these 12 episodes. See more Jessie W @RT20243098 Jul 14 A beautiful and deep story that leaves you wanting to know more See more Matteo M @RT43534092 Jul 12 Definitely One of the best thing I saw on Netflix, the story , the themes, the effects , the art! It's Amazing. Did you know if there is material for a season 2 ? I cannot find the plot of the Trilogy. See more Read all reviews
Leviathan — Season 1

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Episodes

Episode 1 Aired Jul 10, 2025 Into the Storm Prince Alek of Austria-Hungary goes on an unusual practice session in a Stormwalker; in Edinburgh, Sharp eagerly takes flight in a Huxley. Details Episode 2 Aired Jul 10, 2025 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. Details Episode 3 Aired Jul 10, 2025 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. Details Episode 4 Aired Jul 10, 2025 With Clanker forces hot on their tail, the wounded Leviathan needs a miracle to get off the ground; Alek makes an offer the Darwinists can't refuse. Details Episode 5 Aired Jul 10, 2025 The Leviathan encounters a deadly Clanker weapon on its journey towards Istanbul; upon arriving in the city, Alek and his comrades make plans to escape. Details Episode 6 Aired Jul 10, 2025 Shadows of Istanbul Sharp and Dr. Barlow finally meet the Sultan, hoping to smooth things over with a rare gift; a mysterious girl saves Alek from a German patrol. Details Episode 7 Aired Jul 10, 2025 Stormy Seas A patrol jeopardizes the British secret operation, forcing Sharp to flee into Istanbul's streets. Alek commits himself to the revolutionary army's cause. Details Episode 8 Aired Jul 10, 2025 Behemoth On the day of the coup, Alek urges Klopp to leave for his safety; unexpected news forces the revolutionaries to act before the Behemoth arrives. Details Episode 9 Aired Jul 10, 2025 The Leviathan and its crew arrive in Siberia to meet Barlow's uncle; he reveals the source behind numerous mysterious phenomena around the world. Details Episode 10 Aired Jul 10, 2025 Tensions run high after Alek learns the truth about his friend; but before they can talk things over, Sharp gets into a dangerous predicament. Details Episode 11 Aired Jul 10, 2025 Determined to uncover the truth about Tunguska, Alek and Sharp confront Tesla and learn about the invention responsible for the destruction, the Goliath. Details Episode 12 Aired Jul 10, 2025 Under the Same Sky 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? Details
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Season Info

Director
Christophe Ferreira
Creator
Scott Westerfeld
Screenwriter
Yuichiro Kido
Network
Netflix
Genre
Action, Drama, Fantasy, Anime
Original Language
Japanese
Release Date
Jul 10, 2025
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