Officially first shown on Netflix in July 2025, Leviathan is the much-awaited anime version of Scott Westerfeld’s best-selling book. Combining complex narrative with steampunk aesthetics and alternate history, the show has drawn in literary readers as well as anime aficionados fast. Many people are entering the show’s distinctive universe for the first time now that it is accessible for streaming globally and questioning what distinguishes this rendition.
Including its plot, actors, release schedule, production crew, and critical reception following its premiere, this page addresses all you need to know about Leviathan Season 1.
Leviathan Season 1: Official Release Date and Streaming Details
Released worldwide on July 10, 2025, Netflix’s Leviathan Season 1 makes all 10 episodes immediately available for streaming. Numerous credible sources—including Netflix’s official newsroom and entertainment platforms like JustWatch, IMDb, and Polygon—confirmed the release.
Following the platform’s classic binge-watch approach, Netflix’s choice to broadcast the whole season in one drop lets fans enjoy the whole arc of the narrative free from weekly delays.
The Story Behind Leviathan: A Steampunk Epic
Leviathan is set in an other World War I in which two global powers—the “Darwinists” and the “Clankers”—are engaged in a convoluted and technologically different struggle. Whereas the Darwinists have created genetically modified animals to operate as living airships and biological weapons, the Clankers depend on strong steam-driven war vehicles.
Two teenage heroes essential to the narrative are
- Deryn Sharp, a courageous Scottish girl masquerading as a lad to enlist in the British Air Service
- Alek, the son of Archduke Franz Ferdinand, is on run following the murder of his parents.
Their paths collide on the giant whale-like airship built from Darwinist biotechnology, the Leviathan. Deryn and Alek are pulled into a perilous web of intrigue, diplomacy, and identity that might change the course of the planet as political tensions rise.
While improving the visual experience with sophisticated animation and sound design, the anime adaptation stays true to the original text.
Production and Animation: A Collaboration Worth Noticing
Netflix produces the show in association with Studio Orange, the highly regarded animation company known for films such Beastars and Trgyn Stampede. The trademark blend of traditional 2D and CGI animation by Studio Orange defines Leviathan’s visual look and atmospheric tone, therefore imbuing the series with steampunk character.
Takashi Nakamura, who has already worked on Metropolis and Robot Carnival, is part of the directing team and guarantees world-building depth and great cinematic quality. Yuki Kajiura, renowned for her ambient themes in Fate/Zero and Puella Magi Madoka Magica, writes the music for the series.
Anime veterans and beginners who appreciate literary adaptations will find the series interesting since it finds a mix between action, character development, and world-building.
English Dub and Voice Cast
To cater to its US and worldwide viewers, Netflix has put money into a great English voice cast. Among the principal cast members are:
- Deryn Sharp as Caitlyn Bairstow
- Zeno Robinson as Alek is here.
- Jennifer Hale as Dr. Nora Barlow.
- Keith David serves as the narrator.
Early compliments for emotional delivery and authenticity have come from the performances, therefore enabling English-speaking audiences to relate to the narrative on a deeper level.
Audience Reception and Critical Reviews
Both admirers and detractors of Leviathan have given it relatively good comments in the days after its premiere. Show launched on IMDb with an 8.2/10 rating, and viewers praised its creative world-building, compelling characters, and great animation.
Similar feelings have been expressed in anime forums like Reddit and Polygon and Filmibeat, where many have praised the adaptation’s respect to the original work. Early reviewers have also pointed out that although the pace could seem slow at times, the final episodes pay off the investment.
Comparison to the Original Novel
Though there are certain tweaks to better fit the visual medium, the anime adaptation mostly mirrors the plot of Scott Westerfeld’s original Leviathan book. To provide complexity to the political backdrop, several scenes are extended for dramatic effect and fresh points of view are included. Book enthusiasts, however, will find the fundamental ideas and character arcs intact.
The show is a good starting point into the Leviathan universe for people not familiar with the book as well.
Frequently Asked Questions
Is Leviathan available on Netflix in the United States?
Yes, Leviathan Season 1 is currently available for streaming on Netflix US.
How many episodes does Season 1 have?
Season 1 consists of 10 episodes, each ranging from 25 to 30 minutes.
Is Leviathan suitable for younger viewers?
The series is rated TV-14 due to moderate violence and thematic content. While suitable for teens, parental discretion is advised for younger audiences.
Will there be a Season 2?
Netflix has not officially announced a second season yet. However, given the positive reception and the fact that the Leviathan trilogy continues beyond the events of Season 1, a follow-up season is likely in development.
Where can I read the original book?
Scott Westerfeld’s Leviathan trilogy is widely available online and in major bookstores. Fans interested in exploring the full scope of the story may enjoy reading the novels alongside the anime adaptation.
Last thoughts
Leviathan is more than just another animated feature. It shows a rising trend of Western literature being reinterpreted via Japanese animation, providing a new viewpoint on classic stories. Among the most ambitious anime projects Netflix has on 2025, Leviathan stands out for its thorough world-building, sophisticated characters, and excellent production quality.
Leviathan offers a deep and immersive viewing experience whether your taste in literature is long-standing or you simply want your next binge-worthy series. Anyone who loves historical fiction, steampunk, and character-driven narrative should definitely check out this now available on Netflix.
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