Season 1
Q dreams of becoming a great detective, and what better way for the ninth grader to realise his dream than by enrolling into the Dan Detective School? Dan Detective School is Japan's First and only academy set up to groom the next Sherlock Holmes. And in "Class Q", a special class for the academy's brightest, student aren't just taught the basic know-how of detective work, but also the qualities that define a great detective, whether it's a curious mind, the ability to discern the smallest bit of evidence, or a devotion to righteousness. Kyu manages to qualify for Class Q, where he is joined by others: Megumi, Kintaro, Kazuma, and Ryu, who's highly regarded by Dan himself, but a mystery to others. Fellow rivals and friends in class, the fivesome will have to put their collective skills together if they are to solve, time and again, some of the most baffling cases involving everything from cold-blooded murder to restless ghosts. Will they make the grade?
Awaken! The Best Detective in the World!!
A First Step to Dreams - The Entrance Exam Trap
Final Exam! The Stretched-Around Trap
An Intent to Kill at the School Entrance Ceremony! School Bomb Threat
Crack the Code!? A Message from the Deceased
The Perfect 1000-Witness Alibi
The Jigsaw-Puzzle Will
The Pretty-Boy Detective! He Appears at Last!!
Showdown! The Cutthroat Who Crossed Through Time!!
The Beautiful Boy Genius - Exposing the Perfect Mystery Room
The Final Deciding Match! The Truth about Q Class!!
A Curse Breaks Out!? The Seance Murder Case
Evil Spirit in the Locked Room! The Unstopable Murders
An Announcement From the Spiritual World! The Forbidden Truth!!
30 Meters Underwater. The Case of the Underwater Locked Room Murder
Class Rivalry! Battle of the Vanishing Person
Uncharted Waters that Lead to Death! The Legend of Kami Kakushi Village
The Conclusive Moment! The Corpse that Disappears into the Sky
The Revelation of Death! You're Next!!
It Comes to Light! The Masked High Priest - Crimes and Lies!!
The Last Mysterious Disappearance! There's Only One Answer
Dinner of the Dead
Alibi Train
The Cursed Idol
An Old Enemy! Pluto
Megu Is Being Targeted
The Lost Dragon
SOS from the Underground Prison
Collector of Killers
Broadcast of the Campus of Death
Tragic on the Net
The Beauties Detective Squad
Mystery of the Home Economics Classroom
The Curse that Disappeared
Bomb of the Terrifying Gem
The Murder Case of the Illusionary House
Rhythmn of the Death God
Homicide Concerto
The Death March of Friendship
Duel! The Headless Woman
Murder Case of the Maya Princess
Village of the Traitor
Ryu's Determination
Dan Morihiko, Kidnapped!
The Future Detective