Detektivbüro Roth

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.

Hafendetektiv

Randall and Hopkirk (Deceased) is a British private detective television series. In the initial episode Hopkirk is murdered during an investigation, but returns as a ghost. Randall is the only main character able to see or hear him, although certain minor characters are also able to do so in various circumstances throughout the series.

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.

Cassie & Co. is an American drama series broadcast on NBC as a mid-season replacement. 13 episodes were produced, but it was pulled after four episodes in February 1982, with the rest airing in the summer. Angie Dickinson stars as Cassie Holland, a tough, divorced ex-cop who becomes a private detective, taking over a detective agency with her ex-con secretary Meryl (Dori Brenner) and gym instructor Benny (A. Martinez).

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

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.

From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.

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.

Tenspeed and Brown Shoe is an American detective/comedy series originally broadcast by the ABC network between January and June 1980. The series was created and executive produced by Stephen J. Cannell.

The View from Daniel Pike is a 1971–73 Scottish TV drama series created and written by Edward Boyd, and starring Roddy McMillan as Daniel Pike, a hard-boiled private detective based in Glasgow. A few of the stories were later adapted into book form.

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".

João Juca Jr.

Crime comedy series about an ex-cop who founds an improvised detective school and gives his students real cases to solve.

Privatdetektiv Frank Kross

Detective Mike Hammer uses his savvy grit against deceptive enemies in Southern California.

Zwickelbach & Co

Glenn Hall runs a less-than-conventional detective. Her staff includes Roberta Young, a detective who goes to great lengths to get the job done; Manny Lott, the resident technology wiz; and Dana Plant, a former Santa Monica police detective.

Ihr Auftrag, Pater Castell is a German television series.

Cliff Dexter was a detective series in the ZDF 1966 until 1968. It produced two seasons each with 13 episodes each 25 minutes, lead actor was Hans von Borsody. Other performers have included Hans Schellbach as Commissioner Meinert, Sabine Bethmann as Jacqueline and Andrea Dahmen as Carrol. In two episodes occurred Günter Strack. Cliff Dexter is a former FBI agent who - working as a private investigator - in a German city. Parts of the series were filmed in Hamburg, including the startup sequence, runs in his Mercedes Benz Dexter Cliff SEb convertible through the Wallringtunnel to his office. The series was, although popular with audiences, not continued after 26 episodes, probably partly because the critics little good at the 'pocket-Bond' was. Yet in this series broadcast period 1966-1968 reached regularly 36-38 million viewers.