Poster for The Case Book of Arne

Nippon TV 2026 1 season 12 eps 14 Ended

The Case Book of Arne

2026 1 season 12 eps 14

6.2

Season 1

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Season 1

23 min

S1 · E1 · Jan 7, 2026

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

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

7.2 · You

23 min

S1 · E2 · Jan 14, 2026

There Is Always Sunshine After the Rain Episode 2

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

7.1 · You

23 min

S1 · E3 · Jan 21, 2026

Misfortune Never Visits Alone Episode 3

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

7.4 · You

23 min

S1 · E4 · Jan 28, 2026

Those Who Never Gamble Never Win Episode 4

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

7.4 · You

23 min

S1 · E5 · Feb 4, 2026

One Swallow Does Not a Summer Make! Episode 5

Lynn and Arne assemble the servants to review the clues and sniff out the killers through deductive reasoning.

7.2 · You

23 min

S1 · E6 · Feb 11, 2026

Time Will Tell Episode 6

A distraught mermaid arrives at the detective agency searching for the reason why her lover tried to kill her.

6.6 · You

23 min

S1 · E7 · Feb 18, 2026

Eating Whets the Appetite Episode 7

Arne tracks down a jewel thief while Lynn investigates a series of disappearances connected to an art museum.

6.8 · You

23 min

S1 · E8 · Feb 25, 2026

Desire and Love Make All Burdens Lighter Episode 8

Lynn and Arne trace the mysteries of the missing men and lost piece of jewelry to their shocking conclusions.

7.4 · You

23 min

S1 · E9 · Mar 4, 2026

Not All That Glitters Is Gold Episode 9

Arne and Lynn are asked to investigate a man who appears to have started cheating on his wife after an injury.

7.8 · You

23 min

S1 · E10 · Mar 11, 2026

Different Countries, Different Customs Episode 10

Arne decides to investigate a locked-room murder on a whim and soon realizes that it may not be what it seems.

7.7 · You

23 min

S1 · E11 · Mar 18, 2026

Birds of a Feather Flock Together Episode 11

Arne uncovers a disturbing connection between all five of the cases investigated by the Arne Detective Agency.

7.6 · You

23 min

S1 · E12 · Mar 25, 2026

All's Well That Ends Well Episode 12

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

7.8 · You

12 episodes in Season 1

Some details come from TheTVDB.

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