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All Episodes of The Case Book of Arne

Browse all episodes of The Case Book of Arne

Binge this in 4h 26m•Peaking at 7.0/10

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

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Season 1

7.0/102 votes
Those Who Dig Pits for Others Will Fall In Themselves
Season 1 Episode 1 - Aired 1/7/2026
Louis Hartmann joins forces with the members of the Arne Detective Agency to investigate his father's murder.
Director: Keisuke Inoue
Writer: Aya Matsui
6.0/101 votes
There Is Always Sunshine After the Rain
Season 1 Episode 2 - Aired 1/14/2026
Lynn remembers the time she first met Arne and hired him to help investigate her father's suspicious behavior.
Director: Junya Koshiba
Writer: Hitomi Ogawa
6.5/102 votes
Misfortune Never Visits Alone
Season 1 Episode 3 - Aired 1/21/2026
Arne makes a shocking discovery about Lynn's father and Gordon reveals the dark truth of the Reinweiß mansion.
Director: Unknown
Writer: Unknown
5.0/102 votes
Those Who Never Gamble Never Win
Season 1 Episode 4 - Aired 1/28/2026
Lynn and Arne are both troubled by surprise encounters that threaten to alter the course of the investigation.
Director: Unknown
Writer: Unknown
4.0/102 votes
One Swallow Does Not a Summer Make!
Season 1 Episode 5 - Aired 2/4/2026
Lynn and Arne assemble the servants to review the clues and sniff out the killers through deductive reasoning.
Director: Unknown
Writer: Unknown
4.0/102 votes
Time Will Tell
Season 1 Episode 6 - Aired 2/11/2026
A distraught mermaid arrives at the detective agency searching for the reason why her lover tried to kill her.
Director: Unknown
Writer: Unknown
3.5/102 votes
Eating Whets the Appetite
Season 1 Episode 7 - Aired 2/18/2026
Arne tracks down a jewel thief while Lynn investigates a series of disappearances connected to an art museum.
Director: Unknown
Writer: Unknown
5.0/101 votes
Desire and Love Make All Burdens Lighter
Season 1 Episode 8 - Aired 2/25/2026
Lynn and Arne trace the mysteries of the missing men and lost piece of jewelry to their shocking conclusions.
Director: Unknown
Writer: Unknown
6.0/101 votes
Not All That Glitters Is Gold
Season 1 Episode 9 - Aired 3/4/2026
Arne and Lynn are asked to investigate a man who appears to have started cheating on his wife after an injury.
Director: Unknown
Writer: Unknown
5.0/101 votes
Different Countries, Different Customs
Season 1 Episode 10 - Aired 3/11/2026
Arne decides to investigate a locked-room murder on a whim and soon realizes that it may not be what it seems.
Director: Unknown
Writer: Unknown
6.0/101 votes
Birds of a Feather Flock Together
Season 1 Episode 11 - Aired 3/18/2026
Arne uncovers a disturbing connection between all five of the cases investigated by the Arne Detective Agency.
Director: Unknown
Writer: Unknown
6.0/101 votes
All's Well That Ends Well
Season 1 Episode 12 - Aired 3/25/2026
Lynn and friends battle their way through Dracula's soldiers as they race to rescue Arne before it's too late.
Director: Unknown
Writer: Unknown