The BEST episodes of Detective School Q

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

The Dan Detective School is a Japanese detective school permitted by the government. Kyu, an ordinary boy with big dreams to become detective, attends the school as a member of Q Class along with Megu, the girl with photographic memory; Kazuma, the computer genius kid; Kinta, the strong; and the mysterious Ryu. Together they solve many cases which bring them to face Pluto, the crime organization which should have been destroyed by Dan Morihiko.

Last Updated: 3/11/2025Network: TBS (JP)Status: Ended
30 Meters Underwater. The Case of the Underwater Locked Room Murder
star
8.50
2 votes

#1 - 30 Meters Underwater. The Case of the Underwater Locked Room Murder

Season 1 - Episode 15 - Aired 7/22/2003

While on a vacation by the sea, class Q comes across a group of marine biology students whose teacher has gone missing. As such, the class gets involved with underwater graves, treacherous students and hidden treasure.

Directors: Noriyuki Abe
Watch Now:Amazon
The Conclusive Moment! The Corpse that Disappears into the Sky
star
8.50
2 votes

#2 - The Conclusive Moment! The Corpse that Disappears into the Sky

Season 1 - Episode 18 - Aired 8/12/2003

When a new murder takes place the local villagers believe that the local Gods are responsible. As such it is up to class Q to get to the bottom of the crime.

Directors: Noriyuki Abe
Watch Now:Amazon
An Announcement From the Spiritual World! The Forbidden Truth!!
star
8.50
2 votes

#3 - An Announcement From the Spiritual World! The Forbidden Truth!!

Season 1 - Episode 14 - Aired 7/15/2003

The identity of the murderer is revealed and there is another surprise regarding the psychic's true identity.

Directors: Noriyuki Abe
Watch Now:Amazon
The Pretty-Boy Detective! He Appears at Last!!
star
8.00
3 votes

#4 - The Pretty-Boy Detective! He Appears at Last!!

Season 1 - Episode 8 - Aired 6/3/2003

The DSS students are taken to an island where they meet a new student, Ryuu, who is a child prodigy. Things begin to get complicated when the students of class A are found murdered behind locked doors.

Directors: Noriyuki Abe
Watch Now:Amazon
Class Rivalry! Battle of the Vanishing Person
star
8.00
2 votes

#5 - Class Rivalry! Battle of the Vanishing Person

Season 1 - Episode 16 - Aired 7/29/2003

Nanami tricks class Q in to solving one of his cases for him by posing as Dan. When the real Dan learns of this he sends class Q off to investigate more thoroughly.

Directors: Noriyuki Abe
Watch Now:Amazon
Uncharted Waters that Lead to Death! The Legend of Kami Kakushi Village
star
8.00
2 votes

#6 - Uncharted Waters that Lead to Death! The Legend of Kami Kakushi Village

Season 1 - Episode 17 - Aired 8/5/2003

Class Q is sent to Gourd village to investigate the disappearances connected to the drawing. Upon arriving the class is greeted by many strange sights, such as people in masks and a group of TV journalists.

Directors: Noriyuki Abe
Watch Now:Amazon
The Jigsaw-Puzzle Will
star
7.50
2 votes

#7 - The Jigsaw-Puzzle Will

Season 1 - Episode 7 - Aired 5/27/2003

When the class goes to visit an artist friend of Katagiri's, they arrive at the scene of his murder. The only clues are a completely blank jigsaw-puzzle and the victims photographic memory.

Directors: Noriyuki Abe
Watch Now:Amazon
The Final Deciding Match! The Truth about Q Class!!
star
7.50
2 votes

#8 - The Final Deciding Match! The Truth about Q Class!!

Season 1 - Episode 11 - Aired 6/24/2003

Class Q finally figures out that Dan is the perpetrator of the "murders". Dan then reveals that class Q is not the remedial class but the school's elite, and that this was all a test to weed out the unworthy.

Directors: Noriyuki Abe
Watch Now:Amazon
Evil Spirit in the Locked Room! The Unstopable Murders
star
7.50
2 votes

#9 - Evil Spirit in the Locked Room! The Unstopable Murders

Season 1 - Episode 13 - Aired 7/8/2003

The class gets closer to finding the murderer, but another death awaits as they get involved in insurance scams and feuds over the inheritance.

Directors: Noriyuki Abe
Watch Now:Amazon
An Intent to Kill at the School Entrance Ceremony! School Bomb Threat
star
7.33
3 votes

#10 - An Intent to Kill at the School Entrance Ceremony! School Bomb Threat

Season 1 - Episode 4 - Aired 5/6/2003

Kyu and his friends have finally been accepted into the famous DDS. However, they immediately stumble across a threatening note, warning of three bombs placed within the school. Two of the bombs are quickly found along with the bomber. However, it is then up to Class Q to locate the final bomb before it is too late.

Directors: Noriyuki Abe
Watch Now:Amazon
A First Step to Dreams - The Entrance Exam Trap
star
7.25
4 votes

#11 - A First Step to Dreams - The Entrance Exam Trap

Season 1 - Episode 2 - Aired 4/22/2003

Kyuu, Kinta and Meg arrive for the DDS entrance exam along with hundreds of other applicants. Their task is to solve a murder from limited clues and then follow the correct suspect. To make things even worse they have only a few hours to achieve their objective.

Directors: Noriyuki Abe
Watch Now:Amazon
Final Exam! The Stretched-Around Trap
star
7.00
6 votes

#12 - Final Exam! The Stretched-Around Trap

Season 1 - Episode 3 - Aired 4/29/2003

The four hopefuls now enter the next phase of their exam. As they chase a suspect up a hill they lose sight of him and soon become separated. Meanwhile, Kyuu and Meg come across an injured hiker. Kyuu beseeches Meg to go on without him while he helps the man.

Directors: Noriyuki Abe
Watch Now:Amazon
The Perfect 1000-Witness Alibi
star
7.00
2 votes

#13 - The Perfect 1000-Witness Alibi

Season 1 - Episode 6 - Aired 5/20/2003

A murder takes place and one of the suspects, a stage actress, has about 1000 witnesses who watched her performance when the murder took place.

Directors: Noriyuki Abe
Watch Now:Amazon
A Curse Breaks Out!? The Seance Murder Case
star
7.00
2 votes

#14 - A Curse Breaks Out!? The Seance Murder Case

Season 1 - Episode 12 - Aired 7/1/2003

The class witnesses a séance, one in which a family will is revealed. When the psychic in charge is murdered while in an enclosed circle the class gets to work. Too bad that there are so many suspects.

Directors: Noriyuki Abe
Watch Now:Amazon
Showdown! The Cutthroat Who Crossed Through Time!!
star
6.50
2 votes

#15 - Showdown! The Cutthroat Who Crossed Through Time!!

Season 1 - Episode 9 - Aired 6/10/2003

As more of class A die, Ryuu's talent is revealed and it appears that he is on par with if not better than Kyuu. Meanwhile, Kazuma's string theory is disproved and both Meg and Kyuu seem to have a strange fixation with Ryuu.

Directors: Noriyuki Abe
Watch Now:Amazon
The Beautiful Boy Genius - Exposing the Perfect Mystery Room
star
6.50
2 votes

#16 - The Beautiful Boy Genius - Exposing the Perfect Mystery Room

Season 1 - Episode 10 - Aired 6/17/2003

Ryuu appears to have solved the locked room mystery but all of the evidence points to Dan being the culprit.

Directors: Noriyuki Abe
Watch Now:Amazon
Crack the Code!? A Message from the Deceased
star
6.50
2 votes

#17 - Crack the Code!? A Message from the Deceased

Season 1 - Episode 5 - Aired 5/13/2003

A woman's husband has died, but not before leaving behind an encrypted code, and it's up to Kuzuma to crack it.

Directors: Noriyuki Abe
Watch Now:Amazon
Awaken! The Best Detective in the World!!
star
5.78
9 votes

#18 - Awaken! The Best Detective in the World!!

Season 1 - Episode 1 - Aired 4/15/2003

Kyuu is a junior high school student who dreams of one day being a detective. Whilst out grocery shopping a chance encounter with a fellow student and an old construction worker leads Kyuu to investigate his first murder case.

Directors: Noriyuki Abe
Watch Now:Amazon
The Future Detective
star
0.00
0 votes

#19 - The Future Detective

Season 1 - Episode 45 - Aired 3/20/2004

With Dan safe and sound, the truth about Kyuu's saviour and inspiration is revealed.

Directors: Noriyuki Abe
Watch Now:Amazon
Dan Morihiko, Kidnapped!
star
0.00
0 votes

#20 - Dan Morihiko, Kidnapped!

Season 1 - Episode 44 - Aired 3/13/2004

Dan is kidnapped and the whole school is called upon to help search for him. In the process Kyuu finds a photo of Dan and a man who once saved his life, not to mention began his obsession with detection.

Directors: Noriyuki Abe
Watch Now:Amazon
Ryu's Determination
star
0.00
0 votes

#21 - Ryu's Determination

Season 1 - Episode 43 - Aired 3/6/2004

Whilst conducting their wrap up the class bring many new clues to light and Ryuu realises that Pluto has something to do with the case.

Directors: Noriyuki Abe
Watch Now:Amazon
Village of the Traitor
star
0.00
0 votes

#22 - Village of the Traitor

Season 1 - Episode 42 - Aired 2/28/2004

The case becomes more complicated when a second murder is committed and a local legend comes to light leading to an abundance of suspects. Meanwhile, the police also cause problems when they propose a solution to the first murder.

Directors: Noriyuki Abe
Watch Now:Amazon
Murder Case of the Maya Princess
star
0.00
0 votes

#23 - Murder Case of the Maya Princess

Season 1 - Episode 41 - Aired 2/21/2004

The class is called in to investigate the strange occurrences and threats against a village whose residents oppose the building of a new dam. However, things turn deadly when a man is found decapitated and burnt behind a locked door. Meanwhile, at a local spa the boys discover that they are separated from the girls by only a thin, passable wall....+

Directors: Noriyuki Abe
Watch Now:Amazon
Duel! The Headless Woman
star
0.00
0 votes

#24 - Duel! The Headless Woman

Season 1 - Episode 40 - Aired 2/14/2004

While staying with Kyuu, Ryuu gets involved in a mystery concerning a headless ghost.

Directors: Noriyuki Abe
Watch Now:Amazon
The Death March of Friendship
star
0.00
0 votes

#25 - The Death March of Friendship

Season 1 - Episode 39 - Aired 2/7/2004

While Kinta and Kyuu race to get Ryuu to a hospital Hongo tells students about the existence of the criminal organization, Pluto. To make matters worse one of their agents may be amongst them.

Directors: Noriyuki Abe
Watch Now:Amazon