Dōki

Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.

Kindaichi Hajime may look dumb, but he is one of the smartest you will ever see. He encounters mysteries after mysteries with his good friend, Miyuki, and he swears to solve them in the name of his grandfather, which was a great detective.

Furuhata Ninzaburō is a Japanese television series that ran periodically on Fuji Television from 1994 until its final episodes in 2006. It was written by Japanese playwright Kōki Mitani and is often referred to as the Japanese version of Columbo. The series is a police detective drama starring actor Masakazu Tamura as Furuhata Ninzaburo and Masahiko Nishimura as his stereotypically bumbling sidekick, Shintaro Imaizumi. The program aired weekly and featured a guest villain each time, usually a famous talent in Japan. Pop-stars like SMAP, television hosts like Sanma Akashiya and even sports figures like Ichiro Suzuki have been featured on this program. It was one of the most popular television dramas in the history of Japanese television, having spawned several seasons and TV specials.

John Sugar is a dashing private eye navigating the dark corners of sunny LA. Though he sees only the good in humanity, Sugar is haunted by a secret too dangerous to expose.

University student Kuno Totono is the type who constantly questions what is taken for granted in society and develops his own theories based on his vast knowledge and unique set of values. One day in autumn, the police come to see him. His university schoolmate has been murdered at a park nearby and the police apparently regard Totono with suspicion. He is asked to come with them for questioning. In the interrogation room, the police are manipulated by Totono who tends to digress from the topic and poke at their contradictions. He even correctly guesses that one of them is troubled about not getting along with the wife and ends up giving advice. However, Totono’s fingerprints are eventually discovered on the murder weapon.

Ron Kamonohashi was once regarded as a genius at the top detective training academy. But after a fatal mistake, he was expelled and forbidden to become a detective. Years later, police officer Totomaru Isshiki knocks on Ron’s door seeking help on a serial murder case. He finds Ron, now a messy-haired recluse, who agrees. Together, this mismatched detective team begins solving their first mystery!

Kindaichi Hajime is a high school student and a private detective with an IQ of 180. He solves murder cases that are riddled with difficult clues. Kindaichi Hajime works with his childhood friend Nanase Miyuki and Kenmochi Isamu. Kenmochi Isamu is now the chief inspector of the Tokyo Metropolitan Police Department.

The Mobile Investigative Unit (known as "MIU") of the Tokyo Metropolitan Police Department attempts to solve cases within 24 hours. Detective Kazumi Shima is selected as a new member of MIU. He is intelligent, with excellent observation and communication skills. Yet, he does not trust other people. He is unable to find a partner in MIU and is ordered to partner with Police Officer Ai Ibuki, who works at a police substation. Ibuki applied for MIU, but he failed. He is in excellent physical condition, but he lacks knowledge and experience as a detective. Shima learns about Ibuki's background and he becomes more nervous. Finally, Shima has his first meeting with Ibuki.

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

Complex, offbeat Detective Charlie Crews returns to the force after serving time in prison for a crime he didn't commit. Crews' new lease on life has provided him with a Zen-like outlook, peace of mind and no need for vengeance, an attitude which can be challenging to maintain when someone he cares about is threatened — or when he is investigating the mystery surrounding the murder he was falsely accused of.

A detective in a small Pennsylvania town investigates a local murder while trying to keep her life from falling apart.

Mystery and suspense series based on Robert Parker's "Spenser" novels. Spenser, a private investigator living in Boston, gets involved in a new murder mystery each episode.