Problematic Detective Agency

In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

Frank Hathaway, a hardboiled private investigator, and his rookie sidekick Lu Shakespeare form the unlikeliest of partnerships as they investigate the secrets of rural Warwickshire's residents.

Genius detective Nero Wolfe and his right-hand man, Archie Goodwin, solve seemingly impossible crimes.

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.

Police Detective Sgt. Joe Friday and his partners investigate crimes in Los Angeles.

After years as an MI6 operative, Sylvia winds up in a village in Umbria visiting her sister Isabel and becomes involved in a murder investigation.

Barnaby Jones is a television detective series starring Buddy Ebsen and Lee Meriwether as father- and daughter-in-law who run a private detective firm in Los Angeles. The show ran on CBS from January 28, 1973 to April 3, 1980, beginning as a midseason replacement. William Conrad guest starred as Frank Cannon of Cannon on the first episode of Barnaby Jones, "Requiem for a Son" and the two series had a two-part crossover episode in 1975, "The Deadly Conspiracy".

A spirited con woman and a demoted by-the-book detective are given the chance to redeem themselves. The catch? They have to find a way to work together each using their unique skills to solve crimes.

When an assassin's bullet confines him to a wheelchair for life ending his career as Chief of Detectives, Robert T. Ironside becomes a consultant to the police department. Detective Sergeant Ed Brown and policewoman Eve Whitfield join with him to crack varied and fascinating cases. Ex-con Mark Sanger is employed by the chief as home help but eventually becomes a fully fledged member of the team also. Officer Whitfield leaves after 4 years service, and is replaced by Officer Fran Belding.

The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.

The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.

Thrown together by the murder of John's neighbour, John and Janie are an odd, yet hilarious duo with opposing instincts. Every week, they get to the bottom of gripping murders, with various stunning Welsh locations providing a backdrop to their investigations.

The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.

Investigator Alexa Crowe, cannot help fighting the good fight – whether it is solving murders or combatting the small frustrations of everyday life. Fearless and unapologetic, Alexa's unique skills and insights into the darker quirks of human nature, allows her to provoke, comfort and push the right buttons as she unravels the truth behind the most baffling of crimes.

Cranky but likable L.A. PI Jim Rockford pulls no punches (but takes plenty of them). An ex-con sent to the slammer for a crime he didn't commit, Rockford takes on cases others don't want, aided by his tough old man, his lawyer girlfriend and some shady associates from his past.

Working from his home in a converted windmill, Jonathan Creek is a magician with a natural ability for solving puzzles. He soon puts this ability to the use of solving impossible crimes and mysterious murders.

Crime drama set in the 1960s about an old-school detective trying to come to terms with a time when the lines between the police and criminals have become blurred.

Professor Jasper Tempest, a genius Cambridge University criminologist with OCD and an overbearing mother, advises the police. British version of the Belgian crime drama of the same name.

Toronto’s only female private detective in the 1920s takes on the cases the police don’t want or can’t handle. From airplanes and booze running to American G-men, Communists and union busters, Frankie’s fearless sense of adventure gets her into all kinds of trouble, but she always manages to find her way out.

In a seemingly quiet country town the newest resident, Detective Inspector Mike Shepherd, finds that murder lurks in even the most homely location.