Watch The Case Book of Arne Online

★ 6.3 1 Seasons AnimationMystery

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What is The Case Book of Arne about?

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…

Latest episode

S1 · Episode 12 — All's Well That Ends Well · 2026-03-25

Lynn and friends battle their way through Dracula's soldiers as they race to rescue Arne before it's too late.

Genres: Animation, Mystery
First aired: 2026-01-07
Rating: ★ 6.3 / 10

Top cast

Mariya Ise Louis Hartmann (voice)
Koki Uchiyama Arne Neuntöte (voice)
Aimi Tanaka Young Arne Neuntöte (voice)
Yuka Nukui Lynn Reinweiß (voice)
Yuki Sakakihara Zisye (voice)
Yuuki Shin Nachzehrer (voice)

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