Leviathan is a new Japanese animated series that mixes science fiction, action, and history. It is based on the bestselling young adult novel by Scott Westerfeld. The story takes place during a steampunk version of World War I, where people use giant machines and flying beasts to fight in a big war.
The series is directed by Christophe Ferreira and made by Qubic Pictures and Studio Orange, the same team behind BEASTARS. It will be available to stream worldwide on Netflix starting July 10, 2025.
| Title | Leviathan |
|---|---|
| Genre | Steampunk, Sci-Fi, Action, Drama |
| Age Rating (Netflix) | TV-14 |
| Director | Christophe Ferreira |
| Created By | Scott Westerfeld |
| Animation Studio | Qubic Pictures, Studio Orange |
| Language | Japanese (with subtitles) |
| Release Date | July 10, 2025 |
| Distributor | Netflix |
| Country | Japan |
Leviathan Age Rating
The anime series Leviathan is officially rated TV-14 by Netflix. This means the show is best for teens aged 14 and up. It has animated battle scenes, war themes, and some suggestive moments. Younger kids might find some scenes confusing or too intense.
Which Ages Can Watch Leviathan?
| Age Group | Is It Suitable? |
|---|---|
| 5 and under | No – too violent and complex |
| 6–9 years | No – war scenes and serious topics |
| 10–12 years | Not recommended – may be confusing or intense |
| 13–15 years | Yes, with parental guidance |
| 16+ years | Safe to watch |
| Adults | Yes, anime lovers will enjoy it too |
Is Leviathan Suitable for Kids?
Leviathan is not made for young children. It has war battles, emotional moments, and a story that may be hard for kids to understand. Teens who like action, sci-fi, or anime with deep stories will enjoy it more.
Leviathan Parents Guide
Here’s a simple breakdown of the content in the series so parents can decide if it’s right for their kids:
Violence & Action
- Many scenes show fighting, explosions, and machines in battle.
- Characters ride inside giant robots and flying animals.
- Some characters may get hurt or die, but there is no graphic gore.
- Mild blood or injuries may be seen in some parts.
Language
- Some mild to moderate language may be used.
- Wartime slang or shouting during battles is possible.
Sexual Content
- There is no nudity or sex scenes.
- Some light romantic tension between characters.
- A female character pretends to be a boy, which leads to some funny or awkward moments.
Alcohol/Drugs
- There is no drug use or drinking shown in the trailer or confirmed so far.
Scary or Emotional Themes
- The story has war scenes, sad moments, and talks about death and survival.
- Some parts may be emotional or intense, especially for sensitive viewers.
- The anime also deals with identity, bravery, and growing up during hard times.
Tips for Parents
- Preview the first episode to check if the content is OK for your teen.
- Talk to your teen about war, loss, and bravery, which are big parts of the story.
- Let them know it’s a fictional version of World War I and not real history.
Leviathan Official Trailer
The official trailer for Leviathan shows huge machines, flying creatures, and intense battles in the sky. It also shows the meeting of two different characters — Prince Aleksandar and Deryn, whose journey may change the world.
Watch the trailer here:
FAQs
Q: What is the age rating for Leviathan?
A: Leviathan is rated TV-14 for animated action violence, war themes, and some suggestive material.
Q: Can children under 13 watch Leviathan?
A: It is not recommended for kids under 13 due to intense action and war scenes.
Q: Is there any romance or kissing in Leviathan?
A: There is mild romantic tension, but no kissing or sexual scenes.
Q: Is the violence in Leviathan very graphic?
A: No. The battles are intense, but the violence is animated and there is no heavy gore.
Q: When will Leviathan release on Netflix?
A: Leviathan will premiere on July 10, 2025, worldwide on Netflix.