Best detective series

Los Angeles homicide detective, Lieutenant Columbo, uses his humble ways and ingenuous demeanor to root out even the most well-concealed crimes.

Hercule Poirot, a famous Belgian detective, who has an impeccable knack for getting embroiled in a mystery, solves crimes along with Captain Hastings and Scotland Yard Chief Inspector James Japp.

An idiosyncratic FBI agent investigates the murder of a young woman in the even more idiosyncratic town of Twin Peaks.

A group of criminal profilers who work for the FBI as members of its Behavioral Analysis Unit (BAU) using behavioral analysis and profiling to help investigate crimes and find the suspect known as the unsub.

An off-the-grid and presumed-dead former CIA agent, John Reese, is hired by a mysterious tech billionaire software genius, Harold Finch, to prevent violent crimes before they happen in New York City via an advanced surveillance AI.

A crime-solving duo that cracks the NYPD's most impossible cases. Following his fall from grace in London, eccentric Sherlock escapes to New York where his father forces him to live with his worst nightmare--a sober companion, Dr. Watson.

Dr. Daniel Pierce is a neuroscience professor with a deep knowledge of human behavior. He's also a paranoid schizophrenic who struggles with hallucinations. Daniel helps his former student, FBI agent Kate Moretti, as a consultant.

He's smart. He's lovable. He's Dexter Morgan, America's favorite serial killer, who spends his days solving crimes and his nights committing them.

Adrian Monk is a brilliant former San Francisco detective, who now consults the police as a private consultant while battling with an obsessive-compulsive disorder.

Detective Charlie Crews was framed, convicted and cleared for a crime he didn't commit. Twelve years of hard time have given him a unique philosophy on life and criminal investigation. Now he's readjusting to a world that's moved on.

When a psychopath commits murders based on novelist Castle's books, Detective Beckett seeks his help to solve the case. He decides to work with her and uses his experiences as research for his novels.

Boston Legal is a spin-off of the long-running David E. Kelley series The Practice (1997), following the exploits of former Practice character Alan Shore (James Spader) at the legal firm of Crane, Poole, and Schmidt.

The cases of an easy-going ex-convict turned private investigator.

Working for the F.B.I., a mathematician uses equations to help solve various crimes.

The cases of a female private detective partnered with a former thief who assumes the role of a fictitious detective in the business.

When a handful of grain is found in the pocket of a murdered businessman, Miss Marple seeks a murderer with a penchant for nursery rhymes.

Set amongst the stunning gardens of Europe, Rosemary Boxer and Laura Thyme, two professional gardeners, find themselves drawn into solving mysterious crimes.

With the help of DS John Bacchus, Inspector George Gently spends his days bringing to justice members of the criminal underworld who are unfortunate enough to have the intrepid investigator assigned to their cases.

As WWII rages, DCS Foyle fights his own war on the home-front; investigating crime on the south coast of England. Later series, see the retired detective working as an MI5 agent in the aftermath of the war.

DI Robert Lewis and DS James Hathaway solve the tough cases that the learned inhabitants of Oxford throw at them.

DI Jack Frost is an unconventional policeman with sympathy for the underdog and an instinct for moral justice. Sloppy, disorganized, and disrespectful, he attracts trouble like a magnet.

A veteran Detective Chief Inspector and his young Sergeant investigate murders around the regional community of Midsomer County.

British crime investigation series based around aristocratic, Oxford-educated Detective Inspector Thomas Lynley and his working-class assistant Sergeant Barbara Havers.

Superintendent Dalziel and partner DI Pascoe investigate murder, and find a bond forming between them despite their blatantly different personalities.

A white-collar criminal agrees to help the FBI catch other white-collar criminals using his expertise as an art and securities thief, counterfeiter, and conman.