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The Best Episodes of The Detective Is Already Dead

Every episode of The Detective Is Already Dead ranked from best to worst. Let's dive into the Best Episodes of The Detective Is Already Dead!

Best episode
S2E2 A Story of That Day No One Knows
9.082 votes
Worst episode
S1E10 So I Can't Become a Detective
6.2199 votes
Top season
Season 2
8.4avg
Binge time
7h 11m
17 episodes
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons2

All12

Episode Rankings

  1. #1 Fan Favorite
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    The Detective Is Already Dead Season 2 Episode 2 - A Story of That Day No One Knows
    9.0/10(82 votes)

    S2:E2

    Siesta is gone, but Kimihiko and his friends must uncover a new mystery tied to her legacy.

    Director:Kohei Kawai
    Writer:Deko Akao

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  2. The Detective Is Already Dead Season 2 Episode 3 - An Easy Way to Support Your Favorite by Being an Idol Producer
    9.2/10(46 votes)

    S2:E3

    Saikawa comes to Kimizuka and asks him to be her producer.

    Director:Yoo Nakano
    Writer:Natsu Yoshioka

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  3. The Detective Is Already Dead Season 1 Episode 1 - Attention Passengers: Is There A Detective on Board? / Commence Adolescent Romantic Comedy
    7.6/10(339 votes)

    S1:E1

    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.

    Directors:Shinichi Fukumoto, Marina Maki
    Writer:Deko Akao

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  4. The Detective Is Already Dead Season 2 Episode 1 - To See You Once More
    6.9/10(124 votes)

    S2:E1

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

    Director:Shinichi Fukumoto
    Writer:Deko Akao

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  5. The Detective Is Already Dead Season 1 Episode 2 - I Still Remember, After All This Time
    6.9/10(275 votes)

    S1:E2

    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.

    Director:Fumio Itou
    Writer:Deko Akao

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  6. The Detective Is Already Dead Season 1 Episode 9 - SPES
    6.7/10(199 votes)

    S1:E9

    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.

    Director:Fumio Itou
    Writer:Deko Akao

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    The 20 WORST Episodes of The Detective Is Already Dead

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  7. The Detective Is Already Dead Season 1 Episode 11 - A Light in the Midst of Hope
    6.6/10(206 votes)

    S1:E11

    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.

    Director:Yuki Kanezawa
    Writer:Hiroaki Nagashima

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  8. The Detective Is Already Dead Season 1 Episode 7 - In Time, You Will Recall this Day
    6.6/10(211 votes)

    S1:E7

    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.

    Director:Shinichi Fukumoto
    Writer:Natsu Yoshioka

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  9. The Detective Is Already Dead Season 1 Episode 12 - Those Dizzying Three Years I Spent with You
    6.6/10(213 votes)

    S1:E12

    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.

    Director:Marina Maki
    Writer:Deko Akao

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  10. The Detective Is Already Dead Season 1 Episode 6 - Crimson Devil, Ice Queen
    6.5/10(210 votes)

    S1:E6

    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.

    Director:Fumio Itou
    Writer:Hiroaki Nagashima

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  11. The Detective Is Already Dead Season 1 Episode 5 - That Was Directed at One Year in the Future
    6.5/10(218 votes)

    S1:E5

    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.

    Director:Yuki Kanezawa
    Writer:Deko Akao

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  12. The Detective Is Already Dead Season 1 Episode 4 - What I See in That Eye
    6.5/10(233 votes)

    S1:E4

    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.

    Director:Ryuta Yamamoto
    Writer:Natsu Yoshioka

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  13. The Detective Is Already Dead Season 1 Episode 8 - With That, We Set out on a Journey Once Again
    6.3/10(207 votes)

    S1:E8

    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.

    Director:Ryohei Endo
    Writer:Natsu Yoshioka

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  14. The Detective Is Already Dead Season 1 Episode 3 - That's Yui-nya Quality
    6.3/10(244 votes)

    S1:E3

    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.

    Director:Sota Yokote
    Writer:Hiroaki Nagashima

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  15. The Detective Is Already Dead Season 1 Episode 10 - So I Can't Become a Detective
    6.2/10(199 votes)

    S1:E10

    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.

    Director:Rin Teraoka
    Writer:Hiroaki Nagashima

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  16. The Detective Is Already Dead Season 2 Episode 4 - What We, the Living, Can Do
    0.0/10(0 votes)

    S2:E4

    Scarlet and Bat attempt to recruit Yui.

    Director:Hideaki Ōba
    Writer:Hiroaki Nagashima

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  17. The Detective Is Already Dead Season 2 Episode 5 - That Was Their Final Answer
    0.0/10(0 votes)

    S2:E5

    No description available

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"A Story of That Day No One Knows" is the best rated episode of The Detective Is Already Dead. It scored 9.0/10 from 82 votes. Directed by Kohei Kawai and written by Deko Akao, it aired on October 14, 2026.

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