The WORST episodes of Detective Conan

Every episode of Detective Conan ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Detective Conan!

The cases of a detective whose physical age was chemically reversed to that of a prepubescent boy and he must hide his true mental development.

Last Updated: 2/19/2024Network: YTV (JP)Status: Continuing
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The Window of the Girls Academy
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#1 - The Window of the Girls Academy

Season 22 - Episode 17 - Aired 5/11/2013

Kogoro and Conan investigate in female student suicide, after insist of Sonoko's friend, and yet seems the Window hide a secrets ..

The Platinum Ticket Commotion
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#2 - The Platinum Ticket Commotion

Season 22 - Episode 39 - Aired 11/23/2013

Conan, Ran, Sonoko, the workers from Marin Coffee, and Haruka Kona look for the missing Masako at her apartment to ask her about the platinum ticket online auction only to find her dead on her apartment floor

The Devil's Circuit
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#3 - The Devil's Circuit

Season 22 - Episode 38 - Aired 11/16/2013

Kogoro, Ran and Conan are invited to a famous writer's house, who wants to speak with Kogoro. After they spend the night, they awake to the three residents of the house murdered! It appears each one was murdered by a different person!

Dancing Demon in a Noh Mask House (Part 2)
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#4 - Dancing Demon in a Noh Mask House (Part 2)

Season 22 - Episode 37 - Aired 11/9/2013

Two of the three have been murdered! Who wrote the threatening letter? Kogoro and Conan solve the case!

Dancing Demon in a Noh Mask House (Part 1)
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#5 - Dancing Demon in a Noh Mask House (Part 1)

Season 22 - Episode 36 - Aired 11/2/2013

Three man gather by a dim candle wearing Noh masks to discuss a murder and the profits/inheritance afterwards. Kogoro visits the Museum of Noh Mask Art and is shown an anonymous death threat.

The Man Who Fell Slowly
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#6 - The Man Who Fell Slowly

Season 22 - Episode 28 - Aired 9/7/2013

While on a trip with Professor Agasa, the Detective Boys witness a man shoving another man off the roof of a nearby building.

The Framed Great Detective
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#7 - The Framed Great Detective

Season 22 - Episode 27 - Aired 8/31/2013

Former bank robber Reiji Himuro was arrested by Mouri Kogoro. He threatens Kogoro on a call saying someone will die because of him.

The Shadow Approaching Haibara's Secret (Part 2)
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#8 - The Shadow Approaching Haibara's Secret (Part 2)

Season 22 - Episode 20 - Aired 6/15/2013

As the boys kept the house, Conan and Sera marching toward solving the case, and pure black dangerous close than ever to Haibara's secret

No Way! The UFO Crash Case
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#9 - No Way! The UFO Crash Case

Season 22 - Episode 18 - Aired 5/18/2013

Conan and Detective Boys encounter UFO crashed beside riverside, what could be this lead them to.. ?

Mystery Tour of Fire and Water  (Aso Part)
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#10 - Mystery Tour of Fire and Water (Aso Part)

Season 22 - Episode 40 - Aired 11/30/2013

In a dark room, a thief is frantically looking through an office for something. When he finds it, he smiles and cut opens a bear. The next day, the Detective Boys went to Kumamoto with Ran and Kogoro for a sightseeing trip. Kumamoto is known as the capital of water for its amazing water sources, but is also known as the country of fire for its volcanoes

The Stormy Flowerbed Conspiracy
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#11 - The Stormy Flowerbed Conspiracy

Season 22 - Episode 16 - Aired 5/4/2013

In Town Center, the kids plant flowers, but surprisingly flowerbed got crashed, the kids asks for Mori helps them who has really destroy it

The Roses in the Vineyard
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#12 - The Roses in the Vineyard

Season 22 - Episode 15 - Aired 4/27/2013

A crime happened in Beer company due that many questions raise how it happened ! what are suspect alibis ?

The Missing Japanese Sweet in the Old Shop
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#13 - The Missing Japanese Sweet in the Old Shop

Season 22 - Episode 14 - Aired 4/20/2013

Conan, Mitsuhiko, Ayumi and Genta has been elected to experience the voyage of Maritime Self-Defense Force Aegis, in meanwhile they come across a stolen sweet case

The Night Cherry Blossom Route on Sumida River (Part 2)
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#14 - The Night Cherry Blossom Route on Sumida River (Part 2)

Season 22 - Episode 13 - Aired 3/30/2013

Despite being sick, Kogoro begins investigating the coworker of the victim. Conan investigates as well and finds clues that lead him to the culprit. Now, Kogoro is too sick to investigate and Conan has to figure out another way to use him to solve the case.

The Night Cherry Blossom Route on Sumida River (Part 1)
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#15 - The Night Cherry Blossom Route on Sumida River (Part 1)

Season 22 - Episode 12 - Aired 3/23/2013

Kogoro assists the police delivering ransom money to the Nihonbashi Post Office. When arriving at the post office, Kogoro is given a briefcase with further instructions. After Kogoro falls off a boat and gets sick, Conan and Ran begin investigating, but soon...they stumble upon a body!

Yusaku Kudo's Cold Case‎ (Part 2)
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#16 - Yusaku Kudo's Cold Case‎ (Part 2)

Season 22 - Episode 11 - Aired 3/16/2013

The secret behind the murder finally revealed by Conan, but will everything be fine with Subaru Okiya and Sera around Conan ?

Yusaku Kudo's Cold Case‎ (Part 1)
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#17 - Yusaku Kudo's Cold Case‎ (Part 1)

Season 22 - Episode 10 - Aired 3/9/2013

Ran, Sonoko and Sera come across a corpse beside which is written the word "Die" by victim's blood.It reminds them of a 10 years old similar case, unsolved by Yasuku Kudo.

A Message From a Client
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#18 - A Message From a Client

Season 22 - Episode 9 - Aired 3/2/2013

Mori receive message from someone claim he knows real killer which has killed one of Mori's clients

The Crime Scene's Neighbor is My Ex-Boyfriend (1)
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#19 - The Crime Scene's Neighbor is My Ex-Boyfriend (1)

Season 23 - Episode 8 - Aired 3/1/2014

Conan and the Detective Boys run into Naeko Miike and Yumi Miyamoto, who were talking about Yumi's ex-boyfriend. Naeko Miike shortly receives a call from her acquaintance, Sakurako Yonehara, about a dead body

Bathroom Where Ran Collapsed As Well (1)
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#20 - Bathroom Where Ran Collapsed As Well (1)

Season 23 - Episode 17 - Aired 5/31/2014

As Conan and Ran are waiting for a meeting with Eri, they meet Sera, who is investigating Rumi Kitao's boyfriend, Kenya Settsu, about adultery

Kogoro in the Bar (2)
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#21 - Kogoro in the Bar (2)

Season 23 - Episode 16 - Aired 5/17/2014

Kogoro is undercover at the Blue Parrot, because Yuzuki Fukui asked him to investigate on a weird sound she hears frequently. Conan joins him, saying that Ran is angry because Kogoro is not home. But a simple investigation in a bar becomes more dramatic when Chikafumi Usuda, an office worker, is found dead.

The Suspicious Walking Path
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#22 - The Suspicious Walking Path

Season 23 - Episode 14 - Aired 5/3/2014

Conan and his friends were playing Frisbee at the park, when a dog named Matsunosuke launched off of Conan's head and caught the Frisbee. Matsunosuke's owner, Kanae Asakawa, apologized and took Conan's jacket in order to get it cleaned after Matsunosuke left dirt all over it. The next day when Conan and the Detective Boys arrived at her house to get the jacket they met Kanae's friend Tomoko and see Matsunosuke in his dog house, asleep.

The Secret of the Statue of Kogoro Mouri
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#23 - The Secret of the Statue of Kogoro Mouri

Season 23 - Episode 13 - Aired 4/26/2014

After hearing Kataoka scream, Conan, Ran, and Seiya head in the direction of the sound to find Sada holding the deceased Kataoka. It appears Kataoka died after receiving blunt force trauma from falling off a ladder.

The Coded Invitation
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#24 - The Coded Invitation

Season 23 - Episode 12 - Aired 4/19/2014

Conan figures out Kaori's real home phone number and calls it. He's surprised when Sato begins talking to him on the phone and the group discovers that a gun (a Nambu Taisho 14) is missing from Kaori's home

The Memory of Judy and the Trap of Blossom Viewing
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#25 - The Memory of Judy and the Trap of Blossom Viewing

Season 23 - Episode 11 - Aired 3/29/2014

Professor Agasa called Conan over the phone to tell him he'd witnessed someone being hit repeatedly on the shrine grounds.