The Case Book of Arne Season 1 Episode release dates & where to watch
Premiered
Wednesday, January 7, 2026
Ended: Wednesday, March 25, 2026
When does The Case Book of Arne Season 1 come out?
The Case Book of Arne Season 1 premiered Wednesday, January 7, 2026 on Nippon TV and ended Wednesday, March 25, 2026. The season has 12 episodes.
Last updated
The Case Book of Arne Season 1 release schedule
| Episode | Release date |
|---|---|
|
1. Those Who Dig Pits for Others Will Fall In Themselves Louis Hartmann joins forces with the members of the Arne Detective Agency to investigate his father's murder. |
Wednesday · 10 months ago |
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2. There Is Always Sunshine After the Rain Lynn remembers the time she first met Arne and hired him to help investigate her father's suspicious behavior. |
Wednesday · 9 months ago |
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3. Misfortune Never Visits Alone Arne makes a shocking discovery about Lynn's father and Gordon reveals the dark truth of the Reinweiß mansion. |
Wednesday · 9 months ago |
|
4. Those Who Never Gamble Never Win Lynn and Arne are both troubled by surprise encounters that threaten to alter the course of the investigation. |
Wednesday · 9 months ago |
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5. One Swallow Does Not a Summer Make! Lynn and Arne assemble the servants to review the clues and sniff out the killers through deductive reasoning. |
Wednesday · 9 months ago |
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6. Time Will Tell A distraught mermaid arrives at the detective agency searching for the reason why her lover tried to kill her. |
Wednesday · 9 months ago |
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7. Eating Whets the Appetite Arne tracks down a jewel thief while Lynn investigates a series of disappearances connected to an art museum. |
Wednesday · 8 months ago |
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8. Desire and Love Make All Burdens Lighter Lynn and Arne trace the mysteries of the missing men and lost piece of jewelry to their shocking conclusions. |
Wednesday · 8 months ago |
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9. Not All That Glitters Is Gold Arne and Lynn are asked to investigate a man who appears to have started cheating on his wife after an injury. |
Wednesday · 8 months ago |
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10. Different Countries, Different Customs Arne decides to investigate a locked-room murder on a whim and soon realizes that it may not be what it seems. |
Wednesday · 8 months ago |
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11. Birds of a Feather Flock Together Arne uncovers a disturbing connection between all five of the cases investigated by the Arne Detective Agency. |
Wednesday · 7 months ago |
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12. All's Well That Ends Well Finale Lynn and friends battle their way through Dracula's soldiers as they race to rescue Arne before it's too late. |
Wednesday · 7 months ago |
The Case Book of Arne Season 1 FAQ
When does The Case Book of Arne Season 1 come out?
The Case Book of Arne Season 1 premiered Wednesday, January 7, 2026 on Nippon TV.
How many episodes are in The Case Book of Arne Season 1?
The Case Book of Arne Season 1 has 12 episodes.
Are new episodes of The Case Book of Arne Season 1 released weekly?
New episodes are released weekly.
When is the The Case Book of Arne Season 1 finale?
The The Case Book of Arne Season 1 finale (Episode 12) aired Wednesday, March 25, 2026.
How do I get notified when new The Case Book of Arne Season 1 episodes are released?
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