The BEST episodes of Detective Conan season 18

Every episode of Detective Conan season 18, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Detective Conan season 18!

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: 12/19/2024Network: YTV (JP)Status: Continuing
The Criminal is Genta's Father (Part 2)
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#1 - The Criminal is Genta's Father (Part 2)

Season 18 - Episode 29 - Aired 10/24/2009

All three suspects are very similar! A gun is found in the victim's bag. The victim's servant reveals that a gang had stolen things from him recently. Conan realizes the victim was using the contest to discover who robbed him!

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A Witch Yelling in the Fog (Part 2)
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#2 - A Witch Yelling in the Fog (Part 2)

Season 18 - Episode 23 - Aired 9/12/2009

Later that day, Conan realizes the culprits created a mirage of driving into the air and tells Kogoro they shall capture the witch tomorrow. The next day Conan reveals the pair with the fishing gear to be the culprit. He reveals they a hanged a red headlight on a fishing rod in the fog to create the image they are turning into a road-less area. The culprits appear and challenge Kogoro to a race but are caught when they come upon a road block. The culprits reveal that they used the legend of the witch to scare racers from racing on the mountain. When unattended, the culprits attempt to escape from the police but are intercepted by Miwako Sato. It is revealed afterward Sato was the witch spoken of in the legend four years ago.The tire noise was actually her screaming when drifting without using the handbrake.

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The Death Mansion and the Red Wall (Grateful Invitation)
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11.20
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#3 - The Death Mansion and the Red Wall (Grateful Invitation)

Season 18 - Episode 35 - Aired 12/5/2009

Yamato and Euhara takes Kogoro, Ran, and Conan to a mansion. Euhara reveals that the man was owned by a rich man in the past; The man one day decided to search for five talented people and gave the five a room in the mansion until they have reached their dreams. Euhara reveals that five people, Shūsaku Akashi, Aoi Kobashi, Naoki Midorikawa, Shōji Yamabuki, Takuto Momose, and Shirō Naiko, refered to each others as colors that sound alike to their names. They were called Red (赤, Aka?), Blue (青, Ao?), Green (緑, Midori?), lit. Golden Yellow (山吹, Yamabuki?), and White (白, Shiro?) respectively. Yamato reveals that the doors in the mansion swung outward and that someone used a pile of boxes filled with books to trap Akashi inside a room. They examine the room to find one wall of the room painted red and in the center of the room a white and black chair placed back to back and nailed into the ground with the white chair facing the red wall. Yamato's rival, Takaaki Morofushi who's name can be read in Chinese as Koumei, arrives and reveals he was the first to find the body as he was delivering flowers to the late Aoi who died from a heart attack in the storage room of the house. Conan reveals that the culprit knew the door would open outwards in the house and the location of the boxes of books which means the culprit is one of the three people who use to live in the mansion.

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The Death Mansion and the Red Wall (Plan of Empty Fort)
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#4 - The Death Mansion and the Red Wall (Plan of Empty Fort)

Season 18 - Episode 38 - Aired 12/26/2009

Conan, Komei, and Yamato conclude that they lack the evidence to capture the culprit and thus decide to empty the Empty Fort Strategy to lure the culprit out.

The Old Scar and the Inspector's Soul
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#5 - The Old Scar and the Inspector's Soul

Season 18 - Episode 12 - Aired 5/23/2009

Later, Takagi comes to the conclusion that Kibo Dokurou is the serial kller. Conan notices something is strange about Hiramune's dying message, and realizes his message indicates the person who murdered him was a copycat killer. Conan reveals to Sato that Hiramune was actually the serial killer from the past. Conan reveals that Nabei Eiki is the murderer. Takagi who was ordered to bring Eiki to the police station was taken hostage by Eiki. Takagi is shot in an attempt to subdue Eiki from shooting the police. Takagi is later revealed to be saved by a mahjong tile in his shirt pocket.

The Day Mori Kogoro Discontinues His Detective Business (Part 1)
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28 votes

#6 - The Day Mori Kogoro Discontinues His Detective Business (Part 1)

Season 18 - Episode 17 - Aired 7/11/2009

Kogoro receives a request from a client named Ryouzou Gamou to find a witness to confirm his alibi. On the sixth day Gamou calls Kogoro and tells him he has lost hope in him. The next day, Gamou is found hanged in a forest an hour in distance away. The police suspect it to be suicide but Mori reveals it is a murder, as Gamou could have killed himself at home if he wanted to. After interrogating Gamou's nephew, Kyousuke Arai, Kogoro returns home to find news reporters who question Kogoro about the suicide revealed to be murder. The next day, Kogoro heads to the horse track and meets up with detective Isao Takeoka, the detective who falsely accused Gamou five years ago. They work together and investigate Ryouzou's ties and end up at his nephew's house. They interrogate Arai and reveal his motive for the murder would be the inheritance. The next day, Arai is found in his house hanged and Kogoro decides to close his detective agency by removing its sign.

The Day Mori Kogoro Discontinues His Detective Business (Part 2)
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5.00
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#7 - The Day Mori Kogoro Discontinues His Detective Business (Part 2)

Season 18 - Episode 18 - Aired 7/18/2009

The Police continue their search for the suspect of the murder. Kogoro is forced by a fat woman who is intrigued with him to go jogging. He defeats robbers after her jewelry and is escorted to the hospital. Once there, Kogoro overhears a patient discuss Gamou and his medical test which took place on the day Kogoro met with him. Kogoro investigates and heads to Gamou's company to retrieve a recording of the victim's voice. However the culprit steals the recording from Kogoro and escapes. Conan tells Kogoro that Gamou filed a complain to a company and that the company has a recording of the phone call. Kogoro realizes who the suspect is and calls Takeoka to meet with him. Once there, Kogoro reveals Takeoka has been impersonated Gamou half a month before meeting him and reveals Takeoka was also the one calling Kogoro pretending to be Gamou. He reveals Takeoka to be the murderer. Takeoka reveals that his wife was the witness who accused Gamou of his crime five years ago. On the day his wife died, she apologized to Takeoka for her mistaken accusation. Takeoka realized Gamou was indeed the criminal five years ago and desired revenge against him. After telling Kogoro his story, Takeoka proceeds to jump off a cliff but is saved by Kogoro.

A Witch Yelling in the Fog (Part 1)
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#8 - A Witch Yelling in the Fog (Part 1)

Season 18 - Episode 22 - Aired 9/5/2009

Conan, Kogoro, and Ran pass through Mount Fuyana on their way home and are stopped by Misao Yamamura who instilled a road block in order to catch the Silver Witch, a woman who drives a White FD car and challenges people in a drag race. When the witch drifts, the tire makes a sound that sound like a woman screaming. Yamamura reveals his grandma raced against the witch but gave up when the witch drove into the air. Kogoro decides to investigate on the identity of the witch and returns to Mount Fuyana the next day, taking Conan and Ran with him. Upon meeting the witch, Kogoro has a drag race with her but stops when Conan reveals that the witch drove into a road less area. Kogoro tells Yamamura to stop all White FD drivers and wait for his arrival. Once there, Kogoro interrogates the three suspect pairs in order to find out which one of them is the witch.

The Eye-Witness Who Did Not See
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#9 - The Eye-Witness Who Did Not See

Season 18 - Episode 42 - Aired 2/6/2010

Kogoro visits a barber shop. While resting with a towel over his face and statue breaks and the owner is found dead!

Two Days with the Culprit (First Day)
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#10 - Two Days with the Culprit (First Day)

Season 18 - Episode 24 - Aired 9/19/2009

A man named Ryousuke Oomine threatens Kazuyoshi Onda, the president of a game company, to pay his game designer the money he deserves. During the dispute, Oomine accidentally shoots Onda with a gun and leaves the crime scene. The next day, Ran and Sonoko take Conan out to an ice-cream parlor in the mall. Conan overhears Takagi and a police officer discuss the how a young girl has been kidnapped and held hostage by Oomine. Conan searches for the girl at the parking lot and frees her from Oomine's grasp. However, Oomine captures Conan and uses him as his hostage. While pursued by the police, the two hide in the basement of a warehouse. Conan analyzes Oomine and confirming he is un-armed, attempts to escape. An unknown man however attempts to shoot Conan but is saved by Oomine. Elsewhere Kogoro investigates Oomine's friends and realizes three other people has the motive to kill Onda. Conan realizing there is more to the case then a simple murder, calls Professor Agasa to hide him and Oomine from the police.

Two Days with the Culprit (Second Day)
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#11 - Two Days with the Culprit (Second Day)

Season 18 - Episode 25 - Aired 9/26/2009

At Agasa's house, Oomine reveals the gun he bought was supposedly filled with blanks and it was only used to scare Onda. After Onda was shot, he reveals he threw the gun away. Conan, Oomine, Ran, and Kogoro decide to search for the gun. Conan notices a dent on a wall and realizes where the gun landed. Conan reveals that the gun landed on an automatic window washer and was brought to the roof. After examining the gun, the bullets were confirmed to be blanks and that someone attempted to frame Oomine for the murder. Conan returns to the basement where the culprit attempted to shoot him and finds a part of a gun. While Kogoro is talking with the police and the three suspects, Oomine appears holding Conan and threatening to shoot him. The suspect Satoshi Kanda tackles Oomine down. Conan tranquilizes Kogoro and while impersonating him, reveals Kanda to be the murderer. Conan reveals Kanda planned the murder after hearing Oomine and the two suspects' plans. He directed Oomine to the gun site and was the one who sold Oomine the gun. As evidence, Conan reveals that Kanda was searching for Oomine's gun and due to the window washer, got detergent and dirt on his shoes. For more evidence, Conan reveals that while firing his gun at Oomine, his gun exploded cutting his finger. Conan gives the police the piece of the gun and reveals a bloodtest will confirm it is Kanda's blood.

The Revolving Sushi Mystery (Part 1)
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#12 - The Revolving Sushi Mystery (Part 1)

Season 18 - Episode 26 - Aired 10/3/2009

Professor Agasa takes the Detective Boys out for sushi at a revolving sushi restaurant. After a man acts rude to people in the restaurant, he is later killed with poison! Did one of the customers ahead of him poison him?

The Revolving Sushi Mystery (Part 2)
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#13 - The Revolving Sushi Mystery (Part 2)

Season 18 - Episode 27 - Aired 10/10/2009

The police cannot find where the poison originated. It turns out other customers all had motives to murder him!

The Criminal is Genta's Father (Part 1)
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#14 - The Criminal is Genta's Father (Part 1)

Season 18 - Episode 28 - Aired 10/17/2009

Genta's father enters a contest and makes it to the final 3. The man in charge of the contest is found murdered before it can commence. Which of the three contestants did it? Genta's father is a suspect!

The Interrogation Room
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#15 - The Interrogation Room

Season 18 - Episode 30 - Aired 10/31/2009

Two men named Fumitaka Togashi and Tsuneo Hakamada are released on parole. The next day Togashi is convicted for the murder of parole officer Takehiko Sakuraba. Kogoro attempts to persuade Togashi whom has taken an oath of silence to tell him everything about the murder. Conan with Takagi's help investigates the crime scene. He notices that there are two blood puddles, all fingerprint has been cleaned off, and that the murder weapon was found near a shattered mirror. They decide to search convenience store cameras to determine Togashi's alibi and find Hakamda with stains of blood running from the crime scene. Takagi interrogates Sakuraba's neighbor who witnessed the murder; The neighbor reveals that during the blackout, she saw the culprit during a lightning flash who proceeded to through a weapon towards her. Conan realizing how the murder was done heads back to the interrogation room, tranquilizes Kogoro, and proceeds to solve the case. He explains that Hakada murdered Sakuraba. Hakada arrives at the interrogation room to confess to the murder revealing Sakuraba blackmailed his wife into debt causing her suicide along with his son. Conan reveals there is more to the story. He continues explaining that after Togashi failed to persuade Hakada from murder tells him to flee while he cleans the fingerprint. Conan reveals that Sakurba regained consciousness and was murdered again by Togashi. As evidence, he reveals that Sakurba's witness saw a left handed individual throw the weapon at her; Since she only witnessed the reflection, the culprit had to be right handed. Togashi confesses to the murder stating Sakuraba forced his mother into debt prompting her suicide.

Stork Mystery Tour (Ran's Search Part)
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#16 - Stork Mystery Tour (Ran's Search Part)

Season 18 - Episode 31 - Aired 11/7/2009

Kogoro and Ran take the Detective Boys to an onsen in Kinosaki, Hyōgo so Conan can heal his sprained ankle. While there, Ran runs into a little girl named Haruna. Ran learns that Haruna by herself and accompanies her around Kinosaki and remains unaware that a mysterious man is secretly stalking the pair. While Kogoro is interviewed by a name named Kouichi Yumoto, Conan notices that Ran is missing from the group and asks the Detective Boys if they have seen her. Mitsuhiko shows them a photo he took and which reveals Ran chasing after Haruna in the background and a the mysterious man. Unable to contact Ran through her phone, they discuss the probability that the man has captured Ran and the girl. Heiji coincidentally runs into the group revealing that he was hired by Haruna's father, Shuuhei Tabuse, to search for her. Heiji takes Kogoro and Conan to meet Shuuhei in an attempt to find a clue on Haruna's motive for running away from home. Shuuhei reveals that Haruna was visiting a museum when an the "Rainbow Child", an art sculpture created by his ex-wife was stolen and Haruna was missing along with it. Elsewhere, the mysterious man uses a taser to incapacitate Ran and corners Haruna.

Stork Mystery Tour (Haruna's Tracking Part)
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#17 - Stork Mystery Tour (Haruna's Tracking Part)

Season 18 - Episode 32 - Aired 11/14/2009

Haruna is found unconscious and taken to the hospital. While her parents are arguing, Haruna sneaks out of the hospital after remembering that the man threatened to kill Ran if she did not deliver the "Rainbow Child" to him. Elsewhere, Conan and Heiji learn that Haruna was only able to read part of the letter causing her to read "Kinosaki Hot Spring Station" as "Mountain Station" and thus explains why she was searching for her mother at the mountain. After a long search, Conan and his companions are able to find Haruna at her aunt's home and capture the mysterious man. The man is revealed to be Yumoto who reveals a man paid him to take the Rainbow Child back from Haruna. Conan reveals that the mysterious man in Genta's picture is the one who ordered Yumoto to commit the crime and reveals the culprit to be the Takeshi Kamachi, the president of the museum Haruna stole from. As evidence, Conan reveals that the culprit received a stain from Genta's crab flavored ice-cream, the same stain found on Kamachi. Conan reveals that Kamachi wanted Haruna to steal the "Rainbow Child" to complete the "Rainbow" set which consists of a sculpture of a mother holding the "Rainbow Child". Kamachi confesses to the plan and reveals he needed the money to pay off his debts. Later on, Haruna is reunited with her mother and father and with Ran's persuasion, reunited as a family.

The Fearful Intersection
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#18 - The Fearful Intersection

Season 18 - Episode 33 - Aired 11/21/2009

While driving home, Kogoro, Ran, and Conan witness a traffic collision between a green car and a red car. The man in the red car, Shun Hayami, dies from the collision due to his car catching fire. While the police interrogate Seiji Kurumatani, the man in the green car, he claims that he did not see the car at the intersection which caused the accident. Conan, suspecting a murder, mentions that they saw the two cars at a convenience store and the police question the store's owner to confirm this. The store owner tells them that he saw Hayami and Kurumatani arguing in front of his store. Conan confirms it is a murder and investigates the ashtray of the green car and finds the same cigarette brand as the one Hayami smoked. After tranquilizing Kogoro, Conan announces that Kurumatani planned the murder. He reveals Kurumatani, who is an auto mechanic, was repairing Hayami's red car and was lending Hayami his green car during the time. After the repairs were finished, he called Hayami to the convenience store so they could trade cars. Before arriving there, Kurumatani adjusted a billboard at the intersection where the collision would soon occur. The adjustment caused the billboard to reflect headlamp lights creating glare for Hayami which caused the accident. Kurumatani confesses to the murder and reveals that Hayami ran over his sister a year ago. When Hayami's car came into repairs, he knew Hayami was the murderer and began his plan for revenge.

Accompany with a Dangerous Pair
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#19 - Accompany with a Dangerous Pair

Season 18 - Episode 34 - Aired 11/28/2009

Agasa and Haibara become stranded when their car breaks down. They receive a ride from a suspicious man and woman. Haibara suspects they are part of the Black Organization when she learns that they are interested in meeting with Kogoro's assistant, Conan and how the man wants to show them his "half-kill". While at a rest area, Haibara contacts Conan who proceeds to travel to their location on is skateboard. Once there, Conan reveals the two suspicious people to be Kansuke Yamato and Yui Euhara. At Kogoro's office, Conan explains that he found out who they were due to their Nagano dialect. He explains that "Half-kill" was an old fashion nickname for botamochi due to the fact the ingredients is only half grounded when made. Yamato and Euhara reveal to Kogoro they came to ask him to solve a murder with the dying message to be a red wall.

The Death Mansion and the Red Wall (Item on Hand)
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#20 - The Death Mansion and the Red Wall (Item on Hand)

Season 18 - Episode 36 - Aired 12/12/2009

While investigating the four suspects - Conan, Ran, and Komei learn that Akashi and Aoi were avid chess fans and that Aoi was adored by all her friends. Now, they believe Naiko is involved in the murder in some way and go to his apartment to arrest him. Upon arrival, they find that Naiko has been strangled and that the culprit had spray painted a red wall.

The Death Mansion and the Red Wall (Late Komei)
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#21 - The Death Mansion and the Red Wall (Late Komei)

Season 18 - Episode 37 - Aired 12/19/2009

Komei figured out the culprit, but is knocked unconscious before he can tell Yamato. Conan and Yamato believe that the culprit murdered Akashi to avenge Aoi's death. Then, they realize what Akashi's dying message means!

The Kidnapping of Rainbow Colors
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#22 - The Kidnapping of Rainbow Colors

Season 18 - Episode 39 - Aired 1/16/2010

Kogoro is hired by a company to investigate counterfeit merchandise. As they are investigating, they witness the company president get kidnapped!

Detective Boys vs. Burglar Gang (Turbulent)
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#23 - Detective Boys vs. Burglar Gang (Turbulent)

Season 18 - Episode 40 - Aired 1/23/2010

A man looking like Shuichi Akai has appeared, except he has a large scar on his face. Is Akai still alive? While at a bank, Jodie runs into the Detective Boys while a robbery is taking place. Jodie and the Detective boys form their plan to catch the robbers!

Detective Boys vs. Burglar Gang (Silence)
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#24 - Detective Boys vs. Burglar Gang (Silence)

Season 18 - Episode 41 - Aired 1/30/2010

The robbers change into plain clothes to escape as hostages. Just as Conan is able to pinpoint the robbers in the crowd, he is grabbed and held hostage. A gunshot rings out and the robber collapses...who shot the robber?

The Scar of First Love
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#25 - The Scar of First Love

Season 18 - Episode 9 - Aired 5/2/2009

A blind rich woman named Shoudo Kuromi asks Mouri to help her find a boy who saved her life in the past;the only clue is that the boy should have a large scar across his torso. She has been able to narrow it down to two people and they are both staying at her house. Conan meanwhile notices the police are stalking the woman's house. Kiyonaga Matsumoto tells Conan that a serial killer from a past case may be there as the killer also has a scar across his chest. During a bath, Mouri notices that the butler also happens to have a scar across his torso.