The Case Book of Arne(2026)
The Case Book of Arne Synopsis
Louis Hartmann loses his father, a private detective investigating a string of murders, leaving him all alone. Rumor has it that the murders are the work of a Grave-Digger Vampire. Louis isn’t keen on superstitions and vows to catch the culprit himself. That is, until a self-proclaimed detective, Arne Neuntöte, and his assistant, Lynn Reinweiß, appear. A new door is about to open for Louis…
The Case Book of Arne (2026) is a animation and mystery series that premiered on January 7, 2026, spanning 1 season and 12 episodes. It stars Mariya Ise, Koki Uchiyama, Aimi Tanaka and Yuka Nukui. Viewers rate it 6.5 out of 10 across 8 ratings.
- First aired:
- 2026-01-07
- Last aired:
- 2026-03-25
The Case Book of Arne (2026) Trailer
Watch the official trailer for The Case Book of Arne before you start streaming.
The Case Book of Arne Cast & Crew
Main cast
Mariya Ise
as Louis Hartmann (voice)
Koki Uchiyama
as Arne Neuntöte (voice)
Aimi Tanaka
as Young Arne Neuntöte (voice)
Yuka Nukui
as Lynn Reinweiß (voice)
Yuki Sakakihara
as Zisye (voice)
Yuuki Shin
as Nachzehrer (voice)
Yoko Hikasa
as Amy (voice)
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The Case Book of Arne Reviews & Ratings
Average viewer score of 6.5/10 from 8 ratings.
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The Case Book of Arne – Frequently Asked Questions
Where can I stream The Case Book of Arne?
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The Case Book of Arne (2026) is available to stream on Crunchyroll and Crunchyroll Amazon Channel. Availability comes from JustWatch data and varies by country.
How many seasons of The Case Book of Arne are there?
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The Case Book of Arne has 1 season and 12 episodes in total, starting from its premiere on January 7, 2026.
Is The Case Book of Arne still running?
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No. The Case Book of Arne is marked as ended, with the final episode airing on March 25, 2026.
Who is in the cast of The Case Book of Arne?
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The Case Book of Arne (2026) stars Mariya Ise, Koki Uchiyama, Aimi Tanaka, Yuka Nukui and Yuki Sakakihara. The full cast list with character names is available in the cast section of this page.
Is The Case Book of Arne any good?
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The Case Book of Arne (2026) is rated 6.5 out of 10 from 8 viewer votes, and suits viewers who like animation and mystery series. Reviews from viewers are collected further down this page.
Where can I watch the The Case Book of Arne trailer?
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The official The Case Book of Arne trailer is embedded in the trailer section of this page and plays instantly in your browser.