7.5/10240 votes#1 - Attention Passengers: Is There A Detective on Board? / Commence Adolescent Romantic Comedy
Season 1 Episode 1 - Aired 7/4/2021
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.
Director: Shinichi Fukumoto, Marina Maki
Writer: Deko Akao
6.6/10194 votes#2 - I Still Remember, After All This Time
Season 1 Episode 2 - Aired 7/11/2021
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
6.0/10178 votes#3 - That's Yui-nya Quality
Season 1 Episode 3 - Aired 7/18/2021
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
6.1/10165 votes#4 - What I See in That Eye
Season 1 Episode 4 - Aired 7/25/2021
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 Teranishi
5.9/10149 votes#5 - That Was Directed at One Year in the Future
Season 1 Episode 5 - Aired 8/1/2021
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
6.1/10143 votes#6 - Crimson Devil, Ice Queen
Season 1 Episode 6 - Aired 8/8/2021
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
5.8/10144 votes#7 - In Time, You Will Recall this Day
Season 1 Episode 7 - Aired 8/15/2021
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 Teranishi
5.6/10141 votes#8 - With That, We Set out on a Journey Once Again
Season 1 Episode 8 - Aired 8/22/2021
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 Teranishi
6.2/10131 votes#9 - SPES
Season 1 Episode 9 - Aired 8/29/2021
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
5.7/10133 votes#10 - So I Can't Become a Detective
Season 1 Episode 10 - Aired 9/5/2021
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
5.7/10137 votes#11 - A Light in the Midst of Hope
Season 1 Episode 11 - Aired 9/12/2021
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
5.7/10140 votes#12 - Those Dizzying Three Years I Spent with You
Season 1 Episode 12 - Aired 9/19/2021
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
The Best Episodes of The Detective Is Already Dead Season 1
Every episode of The Detective Is Already Dead Season 1 ranked from best to worst. Discover the Best Episodes of The Detective Is Already Dead Season 1!
Kimizuka Kimihiko is a crisis-magnet. So it is no surprise when his rather mundane flight suddenly enters a state of emergency with a dire need...
Genres:MysteryAnimationDrama
Network:AT-X
Season 1 Ratings Summary
"Attention Passengers: Is There A Detective on Board? / Commence Adolescent Romantic Comedy" is the best rated episode of "The Detective Is Already Dead" season 1. It scored 7.5/10 based on 240 votes. Directed by Shinichi Fukumoto, Marina Maki and written by Deko Akao, it aired on 7/4/2021. This episode is rated 0.9 points higher than the second-best, "I Still Remember, After All This Time".