Detective Conan

10 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.

Warning: the following content contains spoilers!

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Detective Conan - S29E5

#1 - Intrigue at Smile Village (Season 29 - Episode 5)

When Conan, Genta, Mitsuhiko and Ayumi visit a retirement home, Smile Village, the group discovers that the owners of the facility are planning to scam some of the residents.

The episode was rated 4.30 from 10 votes.

Detective Conan - S15E7

#2 - Conan-A Strange Child (Season 15 - Episode 7)


Kogoro and Conan visits a famous author named Osamu Umezu in order to have his book signed. Later they spot Osamu's secretary, Mikami Touru, running to Osamu's house. They learn that Mikami that Osamu is not answering his phone calls and he was going to check up on him. They accompany him to Osamu's apartment and find Osamu dead. Evidence suggests it was suicide but Kogoro notices blood on the trash bin and reveals that it was a murder. Osamu's assistant and son are suspects to the murder due to being the only ones with keys to the apartment. Conan investigates and after putting Kogoro to sleep, impersonates him and reveals the murderer to be Mikami. He reveals that Mikami tied a string on the roof where it hung in front of Osamu's window. After poisoning Osamu, Mikami left the apartment and locked the door. He after wards went to the roof and using the string he set up, sends the key back to Osamu's apartment. Conan reveals that Osamu's died holding his trophy he won with his book. Conan explains the trophy was held upside down to reveal Osamu's book titles were and Mikami's name was also palindromes. As evidence, Conan reveals that Osamu managed to rip a button from Mikami's shirt and using the gum he had, stuck it onto the sofa. Mikami confesses to his crime and reveals that Osamu stole his manuscript and published the book as his own.

The episode was rated 6.00 from 10 votes.

Detective Conan - S27E17

#3 - The Tokyo Barls Collection (Season 27 - Episode 17)

Kogoro is invited by a female fan named Toyoko to visit her monja restaurant with Conan. Kogoro is shocked to discover that Toyoko is an old woman who looks nothing like her photo. While eating monja, Toyoko chokes and spits out a cabbage core. She claims someone put the core in the monja in an attempt to take her life. Toyoko suspects the culprit is one of her three childhood friends Eiko, Kyoko, or Yuko. Kogoro is hired to talked to the three women, and all three of them seem to resent Toyoko..

The episode was rated 6.00 from 11 votes.

Detective Conan - S27E29

#4 - The Secret of the Insect Man (Season 27 - Episode 29)


Conan and friends arrive at Kuronosu Station where the village operated insect man ranch is located. The children of the village have dressed themselves up as insect people. Conan speaks to a grade school student dressed as a rhinoceros beetle and learns that a government official's plan to build a casino and public bath in the forest surrounding the village has been put on hold due to a curse. The adults of the village are preoccupied with their work in the forest. They are trying to uncover the treasure of the Moth Princess that the deceased former village mayor tried to keep to himself. Conan investigates the incident that occurred in the village, and...

The episode was rated 6.00 from 10 votes.

Detective Conan - S15E22

#5 - Meguro's Pike Case (Season 15 - Episode 22)

Moore, Conan, and Inspector Megure are walking towards a Rakugo (type of Japanese play center) where Moore will attempt to act and win the prize of "All you can drink". They make a stop by a famous Rakugo actor's restaurant named Meguro. Ichimatsu is the owner of this shop and he works alongside his ex-wife Meguro Miya. After the play, Ichimatsu is stabbed and sent to the hospital. The evidence points the culpirt to be Meguro Miya, but then Ichimatsu's assistant named Manragutei Kisaburau appears claiming he stabbed Ichimatsu. While both of them try to convict themselves, Conan figures out who the culprit is. Once solved the Miya and Kisaburau go out on a date. At the end Moore practices his horrible play forcing Conan, Inspector, and one of the cops to listen.

The episode was rated 6.23 from 13 votes.

Detective Conan - S15E15

#6 - Final (Season 15 - Episode 15)


Kogoro and Conan are brought to an apartment to examine the death of a man named Yamamoto. It is presumed a suicide as evidence project he put a gun in his mouth and firing. His friend is suspected of murdering him as he left the crime scene without calling the police. When Kogoro is fed strawberries, Conan realizes who the murderer is. After investigating Yamamoto's dentist, Conan tranquilizes Kogoro and reveals the murderer to be Yamamoto's neighbor, Yumi Suzuki. Conan reveals that Yumi Yamamoto's dentist assistant and deduces Yumi entered Yamamoto's apartment and offered to treat him. When he opened his mouth, Yumi shot him with a gun. As evidence, Conan reveals that Yamamoto's coffee stirrer is acutally Yumi's dental mirror.

The episode was rated 6.33 from 12 votes.

Detective Conan - S25E74

#7 - The Two Persons' Crossing Fates (Season 25 - Episode 74)

A thief makes a run for it after being caught by the person they were stealing from. During his escape, he runs into Genta, who he quickly pushes out of his way. As Genta pursues, the thief runs into another man knocking him unconscious, both tumbling down a hill. When he awakes, he switches clothes to frame the man he knocked out.

The episode was rated 6.33 from 12 votes.

Detective Conan - S26E8

#8 - The Tokyo-Style Deduction Show Next Door (Part One) (Season 26 - Episode 8)


Kogoro wins a horse race with the price money being 100 times of the original bet, which turns out to be 1 Million Yen. But he admits that it is a ticket he accidentally picked up. Regardless, they go to the neighbourhood sushi restaurant to celebrate. There they meet Wakita who turns out to be proficient in deductive reasoning. He correctly predicts the horse Kogoro bet on just by listening to their conversation. While introducing himself, Wakita says that he is a detective maniac and that he struggles to stay at one place and is constantly moving. He wanted Kogoro to narrate some cases he had solved. It seems that Wakita has a 'bad' eye, much to the suspicion of Conan as an eligible 'Rum' suspect. Meanwhile, a lady storms into the restaurant shouting that somebody stole her pouch. The pouch is found by the lady on the restaurant bathroom. She says that it was stolen on the train and that the culprit should have an injury to the wrist administered by her as she caught the hand of the thief on the busy train.

The episode was rated 6.33 from 15 votes.

Detective Conan - S26E9

#9 - The Tokyo-Style Deduction Show Next Door (Part Two) (Season 26 - Episode 9)

Wakita seems to be getting competitive with Kogoro, who avoids going any further into the matter as it seems that the ticket he accidentally picked up was originally hers.

The episode was rated 6.33 from 15 votes.

Detective Conan - S25E44

#10 - Chiba's Difficult UFO Case (Part 1) (Season 25 - Episode 44)


Detective Chiba is investigating a strange case that took place three months earlier. Magazine editor Nakatsu was suffocated to death and pressed face-first into a patch of concrete on Haido High School grounds. The prime suspect is UFO fanatic Kuchiki who was lying next to the body in the concrete. Kuchiki denies killing Nakatsu and testifies that an alien flew down in a UFO and murdered Nakatsu while floating mid-air, and a security camera captured a creepy UFO-like shadow...

The episode was rated 6.36 from 14 votes.

Last updated: feb 08, 2023

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