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The Case Book of Arnewatch trailer

The Case Book of Arne

22min

Animation

Mystery

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…

Production Companies

SILVER LINK.

Asmik Ace

Nippon Television Network Corporation

King Records

Vaka

Episodes

Cast

Season 1

Those Who Dig Pits for Others Will Fall In Themselves

1. Those Who Dig Pits for Others Will Fall In Themselves

23min

7th Jan 2026

Louis Hartmann joins forces with the members of the Arne Detective Agency to investigate his father's murder.

There Is Always Sunshine After the Rain

2. There Is Always Sunshine After the Rain

22min

14th Jan 2026

Lynn remembers the time she first met Arne and hired him to help investigate her father's suspicious behavior.

Misfortune Never Visits Alone

3. Misfortune Never Visits Alone

23min

21st Jan 2026

Arne makes a shocking discovery about Lynn's father and Gordon reveals the dark truth of the Reinweiß mansion.

Those Who Never Gamble Never Win

4. Those Who Never Gamble Never Win

22min

28th Jan 2026

Lynn and Arne are both troubled by surprise encounters that threaten to alter the course of the investigation.

Episode 5

5. Episode 5

4th Feb 2026

Episode 6

6. Episode 6

11th Feb 2026

Episode 7

7. Episode 7

18th Feb 2026

Episode 8

8. Episode 8

25th Feb 2026

Episode 9

9. Episode 9

4th Mar 2026

Episode 10

10. Episode 10

11th Mar 2026

Episode 11

11. Episode 11

18th Mar 2026

Episode 12

12. Episode 12

25th Mar 2026

First air date

7th Jan 2026

Last air date

28th Jan 2026

Status

Returning Series

Type

Scripted

Original language

ja

Networks