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: 11/10/2025Network: YTV (JP)Status: Continuing
Kaga Hyakumangoku Mystery Tour (Kanazawa Part)
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#1 - Kaga Hyakumangoku Mystery Tour (Kanazawa Part)

Season 23 - Episode 38 - Aired 12/6/2014

Conan, Kogoro, and Ran take a trip to Ishikawa Prefecture's Kanazawa to meet with a tourism agency. They have asked for Kogoro's help with the Kaga Hyakumangoku Mystery Tour city revitalization event to be held in the Kanazawa.

The Tense Tea Party (Part 1)
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#2 - The Tense Tea Party (Part 1)

Season 24 - Episode 8 - Aired 3/7/2015

Eri is hospitalized due to appendicitis. While at the hospital, Kogoro and Conan run into Bourbon. At the same time, a patient was having a tea party with three friends when one of them is poisoned.

The Troublesome Emergency Patient
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#3 - The Troublesome Emergency Patient

Season 24 - Episode 7 - Aired 2/28/2015

Conan and the Detective Boys run into a man who had a knife in his hand and was being chased by a police officer. The man grabs Ayumi and faints while whispering something into her ear. Conan and the Detective Boys accompany the man and the police to the hospital and learn that he had some contusion on his head and the police officer was chasing him because he seemed suspicious.

Ai Haibara Imprisonment Case
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#4 - Ai Haibara Imprisonment Case

Season 24 - Episode 6 - Aired 2/21/2015

When returning from shopping, Haibara finds that a kitten she likes is in trouble and hurries to help him. While doing so, she's abducted into the house.

The Missing Lover in the Snowstorm
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#5 - The Missing Lover in the Snowstorm

Season 24 - Episode 5 - Aired 2/7/2015

Conan, Haibara, Agasa and the Detective Boys spend the weekend at a cottage with the three sisters who own it and the little sister's boyfriend. After dinner, the little sister realized she ran out of medicine and her boyfriend volunteers to walk through the storm to bring her more. Once the storm has ended, everyone decides to look for him since he was taking too long, and they find him dead on the snow.

Teimuzu River Kite Flying Case (Part 2)
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#6 - Teimuzu River Kite Flying Case (Part 2)

Season 24 - Episode 4 - Aired 1/31/2015

Conan finds out that the man falling into the river wasn't an accident but a murder attempt. The main suspects are: the man's wife (who he was on the phone at the moment of the crime), his partner, and one of the contestants whose sister was having and affair with him.

Teimuzu River Kite Flying Case (Part 1)
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#7 - Teimuzu River Kite Flying Case (Part 1)

Season 24 - Episode 3 - Aired 1/24/2015

Conan and the Detective Boys are participating into a kite-flying competition when one of the contestants falls into the river.

Conan And Heiji, Code Of Love (Part 2)
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#8 - Conan And Heiji, Code Of Love (Part 2)

Season 24 - Episode 2 - Aired 1/17/2015

Conan contacts Heiji to assist him from Osaka. When Heiji arrives at the scene of the drug deal, he finds three people wearing or holding white roses. Heiji transmits images of the three people to Conan using his cell phone.

Conan And Heiji, Code Of Love (Part 1)
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#9 - Conan And Heiji, Code Of Love (Part 1)

Season 24 - Episode 1 - Aired 1/10/2015

On a rainy day, Conan bumps into a drug dealer, and he drops his notebook as he flees. The notebook contains a code written using subway station and line numbers, but some of the code washed away in the rain.

Kaga Hyakumangoku Mystery Tour (Kaga Part)
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#10 - Kaga Hyakumangoku Mystery Tour (Kaga Part)

Season 23 - Episode 39 - Aired 12/13/2014

After Akiyama is attacked, Ran accompanies to her to the hospital. Kogoro and the others continue investigating the checkpoints. After arriving at the museum, Conan checks the four cards that fell out of Akiyama's bag.

The Tense Tea Party (Part 2)
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#11 - The Tense Tea Party (Part 2)

Season 24 - Episode 9 - Aired 3/14/2015

Bourbon and Conan help with the investigation and arrive to the conclusion that the culprit must have switched her cup with the victim in order to poison her. There is one problem though: each one of them is drinking a tea of a different color.

The Romance Novel with the Unexpected Conclusion (Part 2)
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#12 - The Romance Novel with the Unexpected Conclusion (Part 2)

Season 23 - Episode 37 - Aired 11/29/2014

Author Keigo Hiura's assistant Chiaki Minazuki is found strangled to death in a hotel room directly below his. Conan and Sera are certain he committed the crime, but cannot find a hole in his alibi. After learning of the condition of Minazuki's room they get closer to the truth. After seeing and hearing more, Conan and Sera realize how Hiura manipulated his alibi...

The Romance Novel with the Unexpected Conclusion (Part 1)
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#13 - The Romance Novel with the Unexpected Conclusion (Part 1)

Season 23 - Episode 36 - Aired 11/22/2014

Conan, Ran, and Sonoko visit the hotel room where Masumi Sera is living. In the hallway on the 30th floor of Sera's hotel, various editors wait for famous romance author Hiura Keigo to finish his manuscripts. Later, Hiura's assistant Minazuki Chiori is found murdered in the room directly below Hiura's.

The Comedian Who Turned Himself In (Part 2)
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#14 - The Comedian Who Turned Himself In (Part 2)

Season 23 - Episode 35 - Aired 11/8/2014

Conan and Kogoro feel something is wrong with DoDonPa's all too convenient alibi. After taking on the guilt for a murder he didn't commit, DoDonPa becomes the man of the hour for trying to protect the reputation of his benefactor Tendo. Conan begins to strongly suspect him.

The Comedian Who Turned Himself In (Part 1)
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#15 - The Comedian Who Turned Himself In (Part 1)

Season 23 - Episode 34 - Aired 11/1/2014

After an unlucky while at the pachinko salon, Kogoro who walks about sees Conan at a small police office near a train-station. He walks in angrily only to find out that Conan was there only to return a found wallet. As they are about to leave the well-known comedian Rokusuke DoDonPa (real name: Rokusuke Tanigaki) walks in and announces to have murdered his chief.

The Tragedy of the Red Woman (Revenge)
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#16 - The Tragedy of the Red Woman (Revenge)

Season 23 - Episode 33 - Aired 10/25/2014

A search is conducted they don't find any knife-like objects or wigs. A woman is seen lurking outside again. The group checks some pictures which point to the red hints of all the previous 'pranks'. In one the pictures, Yui points out that on the day she was found she was wearing a red coat. She notices the ones who found the knife 3 years ago were Kansuke Yamato and Taka'aki Morofushi, while they were still attending police academy. Morofushi was sure that the bones which were found belonged to the red woman, while Yamato refused to accept it.

The Tragedy of the Red Woman (Evil Spirit)
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#17 - The Tragedy of the Red Woman (Evil Spirit)

Season 23 - Episode 32 - Aired 10/18/2014

Yui Uehara of the Nagano police arrives and learns of the murder case and details, such as the fact that no blood traces where found in the bathroom. As the other guests are in distraught over Masaie's death, their whereabouts are told to the detective. Why were tomatoes floating in the bathtub?

The Tragedy of the Red Woman (Steam)
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#18 - The Tragedy of the Red Woman (Steam)

Season 23 - Episode 31 - Aired 10/11/2014

Conan, Ran, Sonoko and Sera are walking through the woods as Sera explains the reason for their excursion, that she has been asked by her brother to visit his former classmates in order to solve a case

The Blind Spot in the Shared House
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#19 - The Blind Spot in the Shared House

Season 23 - Episode 30 - Aired 10/4/2014

Just as Ran was about to leave, Hidehisa cries out from the 1st floor as he finds the victim, Katsuko Kanou, murdered on her bed.

Taiko Meijin's Match of Love (Part 1)
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#20 - Taiko Meijin's Match of Love (Part 1)

Season 24 - Episode 23 - Aired 7/18/2015

Shukichi Haneda is at Tokiwa Hot Springs, preparing for his shogi match for the title of Meijin. As he was talking to two women, a picture of Yumi Miyamoto fell out of his robe. When he picked up the photo, he thought back to two days ago, when Yumi told him she already through away the envelope he asked her to not open until he obtains all seven because he never called her ever since he gave it to her. After that small conversation, she stormed out of the cafe, where they were talking; when he came out, she was nowhere to be seen. As he tries to find her, a stranger watches him in a car, carrying an evil smile.

Three First Discoverers (Part 2)
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#21 - Three First Discoverers (Part 2)

Season 24 - Episode 31 - Aired 9/26/2015

Conan helps the police solve the case and reveals the truth behind it. The Detective Boys leave the crime scene and Haibara has remembered this common feature about Rum that everyone who has met him agrees on.

Three First Discoverers (Part 1)
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#22 - Three First Discoverers (Part 1)

Season 24 - Episode 30 - Aired 9/19/2015

Conan asks Haibara to give him information about Rum, the new Black Organization member who is on the move. She says she doesn't know much about him, but she knows that the descriptions about Rum are always different. Some people say Rum looks feminine, others say he looks like a well-built man, and some other people describe him as an old man. However, there is a common characteristic about him that she can't recall. It turns out that the Detective Boys end up involved in a case again and the three suspects fit each one of the descriptions about Rum.

Detective Takagi Escaping with Handcuffs
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#23 - Detective Takagi Escaping with Handcuffs

Season 24 - Episode 29 - Aired 9/12/2015

Conan, Ran, and Kogoro are having dinner at Restaurant Danny's when they witness Ryuta Someya punch Yasuo Nashimoto in the face. Kogoro calls the police while Ryuta flees from the restaurant.

Beika Pong, Huge Bleeding Service
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#24 - Beika Pong, Huge Bleeding Service

Season 24 - Episode 28 - Aired 9/5/2015

Supermarket Beikado employee Kanzaki receives death threats over the phone. He hires Kogoro to investigate the threats, but Kogoro believes it to be a prank played by a friend. However, an incident occurs the following day on Sunday...

A Weather Forecast from the Queen
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#25 - A Weather Forecast from the Queen

Season 24 - Episode 27 - Aired 8/15/2015

Kogoro is at Nichiuri TV Office, filming "Detective VS Weather Reporter" with Yasumi Sekine while Conan and Ran watch at the sidelines with Yukio Kodama, Takuya Yamaguchi, and Hiroko Shinohara. After the filming, Kogoro and Ran rest in a room while Conan goes to a vending machine to buy a bottle of oolong tea. As he picks up the bottle, he notices Yasumi and Yukio conversing secretly; after the small talk, they head out and split off. Then, Takuya hesitantly comes out of a room and follows Yasumi, and Conan follows him. Yasumi meets with Hiroko, who tells her the stage is good and ready. Hiroko asks her if she wanted to check the stage, but she said no because she trusted her.