Spenser: For Hire

Der kleine Doktor is a German television series.

Richard Diamond, Private Detective is an American detective drama which aired on radio from 1949 to 1953, and on television from 1957 to 1960.

Gestatten, mein Name ist Cox is a series of crime novels and audio dramas written by the German couple Rolf and Alexandra Becker, later also adapted to a television series and a movie. The series chronicle the adventures of Paul Cox, a professional gambler in London, with a tendency to get involved in intricate murder mysteries, where he often ends up as the main suspect and has to evade police and solve the crime to clear his name. He's aided in all his adventures by his friend Thomas Richardson, a private detective.

Newly paroled after doing time for a crime he didn’t commit, James Rockford returns to his life as a private investigator using his charm and wit to solve cases around Los Angeles. It doesn't take long for his quest for legitimacy to land him squarely in the crosshairs of both local police and organized crime.

Markham is a CBS drama television series starring Ray Milland, which aired during the 1958-1959 and 1959-1960 seasons following Gunsmoke on Saturday nights, under the sponsorship of the Joseph Schlitz Brewing Company. Milland played private investigator and attorney Roy Markham. In that Markham had been a successful lawyer, he had the leisure to take detective cases based on his own interest. His fees could vary from the very considerable to his wealthier and corporate clients to nothing for those who desperately needed his services but had few financial means. Markham's cases could take him almost anywhere in the world, although he was based in New York City. In the early episodes of this program, Markham had an assistant, John Riggs, but the Riggs character was written out after only a few programs had aired, leaving Markham to solve crimes solo. Dayton Lummis appeared as Howard Fulton in the 1959 episode entitled "The Father". Elen Willard made her acting debut as Deidre Waugh in the 1960 segment "The Bad Spell". Prior to Markham, Milland played the lead role from 1953-1954 in a CBS sitcom, Meet Mr. McNutley, the story of a college professor at fictitious Lynnhaven College, an all-girls institution. For the second season, 1954–1955, the program was renamed The Ray Milland Show.

Two lovable idiot "private detectives" (or at least, that's their cover story —more like gangsters) try to make ends meet on the mean streets of Tokyo.

Nick Charles was a private detective who married the wealthy Nora and decided to settle down and leave the good life. Unfortunately for the couple, Nick's past frequently caught up with him and got the couple involved in mystery after mystery. The series was based on the popular MGM series of movies of the 1930's starring William Powell and Myrna Loy. Peter Lawford and Phyllis Kirk starred as the televison versions of Nick and Nora which ran on NBC for two seasons from 1957-59.

Explores the reality of private investigators by revisiting some of their investigations. Told by the detectives themselves, these stories show their daily work and reveals the highs and lows of an investigation.

A globe-trotting adventurer takes on cases to track down shady individuals who want to stay hidden, earning a million dollars per assignment.

The adventures of 1930's Los Angeles private eye Miles Banyon.

Banacek is an American detective TV series starring George Peppard that aired on the NBC network from 1972 to 1974. The series was part of the rotating NBC Wednesday Mystery Movie anthology. It alternated in its time slot with several other shows but was the only one to last beyond its first season.

Stu Bailey and Jeff Spencer are the wisecracking, womanizing private-detective heroes of this Warner Brothers drama. They work out of an office located at 77 Sunset Strip in Los Angeles, California, right next door to a snazzy restaurant where Kookie works as a valet. The finger-snapping, slang-talking Kookie occasionally helps Stu and Jeff with their cases, and eventually becomes a full-fledged member of the detective agency. Rex Randolph and J.R. Hale also join the firm, and Suzanne is their leggy secretary.

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 war veteran turned private detective operates out of a tiny office in London’s Denmark Street. Although wounded both physically and psychologically, his unique insight and background as a military police investigator prove crucial in solving complex crimes that have baffled the police. Based on the bestselling novels written by J.K. Rowling under the pseudonym Robert Galbraith.

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.

Private detective Mike Hammer hunts down criminals on the mean streets of New York City.

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.

Detective Inspector Ray Lennox investigates the disappearance of a schoolgirl while battling cocaine addiction and a mental breakdown.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

Sherlock Holmes, along with his friend Dr. Watson, uses his abilities to take on cases by private clients and those that the Scotland Yard are unable to solve.