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The Detective Is Already Dead

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S2 E6

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About The Detective Is Already Dead

The Detective Is Already Dead is a mystery and drama anime series that premiered on AT-X on July 4, 2021. It has 2 seasons and 25 episodes so far and is still airing new episodes. The latest episode, Season 2 Episode 5, aired on November 4, 2026. The next episode, Season 2 Episode 6, airs on Wednesday, November 11, 2026.

After thwarting a hijacking with beautiful, silver-haired detective Siesta, Kimihiko leads a life of globe-trotting and crime-solving—until Siesta dies. A year later, a new case will open old wounds as it threads murder, conspiracy, and his dead partner!

  • Mystery
  • Animation
  • Drama

Last updated

Episodes

25 episodes · 2 seasons

The Detective Is Already Dead Season 3 hasn’t been dated yet. See what we know. Release date →

Season 1

2021 · 12 episodes · Last episode: 5 years ago

The Detective Is Already Dead Season 1 release dates →
  1. The Detective Is Already Dead S1 E12 still E12

    12. Those Dizzying Three Years I Spent with You

    Finale

    Siesta, returned in spirit, partners with Kimizuka in a desperate battle against an ever-changing and resilient foe. In the aftermath of this battle, the survivors carry lingering questions and doubts, and must try to find closure amongst themselves.

  2. The Detective Is Already Dead S1 E11 still E11

    11. A Light in the Midst of Hope

    Facing off against Chameleon with Natsunagi’s life on the line, Kimizuka finds that he is not alone in this battle, with help coming in unexpected forms. But against this wily foe, Kimizuka’s allies--and his own resilience--are tested to the limits.

  3. The Detective Is Already Dead S1 E10 still E10

    10. So I Can't Become a Detective

    Saikawa, Natsunagi, and Kimizuka set off on a cruise together, during which Kimizuka unexpectedly encounters a former acquaintance. It turns out that something precious is onboard the ship, something which attracts the wrong sort of attention.

  4. The Detective Is Already Dead S1 E9 still E9

    9. SPES

    In an attempt to rescue Alicia, Siesta, Kimizuka, and Char set off to confront Hel and SPES on their home ground. There, they encounter one alarming surprise after another and come to realize that with SPES, nothing is as it seems.

  5. The Detective Is Already Dead S1 E8 still E8

    8. With That, We Set out on a Journey Once Again

    Siesta has recovered and is eager to press forward with pursuing the serial killer and SPES. Alicia, however, insists on being involved, and as the two clash and sparks fly, the mystery of Alicia's identity comes more sharply into focus.

  6. The Detective Is Already Dead S1 E7 still E7

    7. In Time, You Will Recall this Day

    While Siesta convalesces, Alicia takes on the role of substitute detective and seeks the Eye of Sapphire, with Kimizuka’s assistance. When at last Siesta recovers, recovered, the three celebrate, but this celebration takes an unexpected turn.

  7. The Detective Is Already Dead S1 E6 still E6

    6. Crimson Devil, Ice Queen

    Siesta takes an extreme risk to stop Hel and her mutated terror-beast, and pays a price for her courage. The outcome halts the fight against SPES, at least temporarily. In the wake of this battle, Kimizuka makes a surprising discovery in an alley.

  8. The Detective Is Already Dead S1 E5 still E5

    5. That Was Directed at One Year in the Future

    Siesta and Kimizuka investigate a series of murders by someone called Cerberus, who for some sinister reason steals victims’ hearts. As Cerberus eludes Siesta’s pursuit, she comes up with a more desperate tactic, much to Kimizuka’s dismay.

  9. The Detective Is Already Dead S1 E4 still E4

    4. What I See in That Eye

    On the night of Yui Saikawa’s big stadium show, Kimizuka and Natsunagi struggle to protect her from a hidden assailant. But the further the two dig into the plot against Saikawa, the clearer it becomes that the teen idol has secrets of her own.

  10. The Detective Is Already Dead S1 E3 still E3

    3. That's Yui-nya Quality

    A teen idol, Yui Saikawa, enlists Kimizuka and Natsunagi--who has taken up the mantle of legendary detective--to guard a priceless sapphire. In preparing for this, the two realize that more than just a precious jewel is at risk.

  11. The Detective Is Already Dead S1 E2 still E2

    2. I Still Remember, After All This Time

    Kimizuka is approached by Nagisa Natsunagi, a girl with a yearning seemingly inspired by the heart she received in a transplant. When Kimizuka asks Fuubi for help, she takes them to meet an unexpected someone who provides surprising information.

  12. The Detective Is Already Dead S1 E1 still E1

    1. Attention Passengers: Is There A Detective on Board? / Commence Adolescent Romantic Comedy

    Kimizuka, a middle-school student, meets the beautiful detective Siesta in the process of thwarting a plane hijacking. As they next investigate a mystery at Kimizuka’s school Culture Festival, Siesta urges Kimizuka to become her sidekick.

Season 2

2026 · 13 episodes · Last episode: 4 days ago

The Detective Is Already Dead Season 2 release dates →
  1. The Detective Is Already Dead S2 E1 still E1

    1. To See You Once More

    Kimihiko and his friends are kidnapped as they go to visit Siesta's grave.

Cast & crew

  • Nanae Yasuoka

    (voice)

  • Momoka Arakawa

    (voice)

  • Daisuke Nakamori

    (voice)

  • Aoto Norifumi

    (voice)

  • Yurina Amami

    Yurina Amami

    Cabin Attendant (voice)

  • Minori Sano

    Betelgeuse (voice)

  • Aya Hisakawa

    Aya Hisakawa

    Rose Bennett (voice)

  • Yumiri Hanamori

    Yumiri Hanamori

    Hel (voice)

  • Jouji Nakata

    Jouji Nakata

    Cerberus (voice)

  • Akiko Tanimae

    (voice)

  • Aiko Yamasaki

    (voice)

  • Yuya Kawaguchi

    (voice)

  • Takahiro Mori

    (voice)

  • Hiroaki Moriyama

    (voice)

  • Shizuka Furuya

    Shizuka Furuya

    Onboard Announcement (voice)

  • Tetsushi Kajimoto

    Tetsushi Kajimoto

    (voice)

The Detective Is Already Dead FAQ

When is the next episode of The Detective Is Already Dead?

The next episode of The Detective Is Already Dead, Season 2 Episode 6, airs on Wednesday, November 11, 2026. Get the Streambay app to be notified the moment it's out.

When did the latest episode of The Detective Is Already Dead come out?

The most recent episode of The Detective Is Already Dead, Season 2 Episode 5, aired on November 4, 2026.

How many seasons of The Detective Is Already Dead are there?

The Detective Is Already Dead has 2 seasons with 25 episodes in total.

When did The Detective Is Already Dead first air?

The Detective Is Already Dead first aired on AT-X on July 4, 2021.

How do I get notified when new episodes of The Detective Is Already Dead are released?

Download the Streambay app, follow The Detective Is Already Dead, and you'll get a push notification the moment each new episode is released.

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