
The Case Book of Arne
- 2026
- Ended
- Animation · Mystery
- 1 season
- 6.0/10
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: Season 1 · 2026
View all seasonsE1. Those Who Dig Pits for Others Will Fall In Themselves
Jan 7, 2026 · 23m
Louis Hartmann joins forces with the members of the Arne Detective Agency to investigate his father's murder.
E2. There Is Always Sunshine After the Rain
Jan 14, 2026 · 22m
Lynn remembers the time she first met Arne and hired him to help investigate her father's suspicious behavior.
E3. Misfortune Never Visits Alone
Jan 21, 2026 · 23m
Arne makes a shocking discovery about Lynn's father and Gordon reveals the dark truth of the Reinweiß mansion.
E4. Those Who Never Gamble Never Win
Jan 28, 2026 · 22m
Lynn and Arne are both troubled by surprise encounters that threaten to alter the course of the investigation.
E5. One Swallow Does Not a Summer Make!
Feb 4, 2026 · 22m
Lynn and Arne assemble the servants to review the clues and sniff out the killers through deductive reasoning.
E6. Time Will Tell
Feb 11, 2026 · 22m
A distraught mermaid arrives at the detective agency searching for the reason why her lover tried to kill her.
+6 more episodes — open all seasons to browse every episode.






























