S1 E1 • 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. Source: Crunchyroll

Première diffusion : 7 janvier 2026

S1 E2 • 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. Source: Crunchyroll

Première diffusion : 14 janvier 2026

S1 E3 • Misfortune Never Visits Alone

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

Première diffusion : 21 janvier 2026

S1 E4 • Those Who Never Gamble Never Win

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

Première diffusion : 28 janvier 2026

S1 E5 • 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. Source: Crunchyroll

Première diffusion : 4 février 2026

S1 E6 • Time Will Tell

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

Première diffusion : 11 février 2026

S1 E7 • Eating Whets the Appetite

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

Première diffusion : 18 février 2026

S1 E8 • 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. Source: Crunchyroll

Première diffusion : 25 février 2026

S1 E9 • 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. Source: Crunchyroll

Première diffusion : 4 mars 2026

S1 E10 • 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. Source: Crunchyroll

Première diffusion : 11 mars 2026

S1 E11 • Birds of a Feather Flock Together

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

Première diffusion : 18 mars 2026

S1 E12 • All's Well That Ends Well

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

Première diffusion : 25 mars 2026