International Detective

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".

Laura Holt, a licensed private detective, opens a detective agency but finds that potential clients refuse to hire a woman, however qualified. To solve the problem, Laura invents a fictitious male superior whom she names Remington Steele. Through a series of events that unfold in the first episode, "License to Steele," a former thief and con man, whose real name is never revealed, assumes the identity of Remington Steele. Behind the scenes, Laura remains firmly in charge.

Michael Shayne is an American detective television series starring Richard Denning that aired on NBC from September 30, 1960 to May 19, 1961.

Brothers work as private investigators.

Kowalsky

Die Drei

Ein Fall für Männdli

Private Eyes Tom Lopaka and Tracy Steele are based out of Hawaiian Village Resort where they work both hotel security and are hired by others to look into various matters. They're helped by their trusty right-hand man Kazuo Kim who runs a taxi company and is always eager to help them.

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.

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.

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.

Gabriel's Fire is an American television series that ran on ABC in the USA in 1990–1991. A revamped version of the series, entitled Pros and Cons, aired briefly the following season.

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.

Jake Doyle and his ex-cop father, Malachy, run a Newfoundland detective agency. Their rugged seaside town never lacks for intriguing cases, and the Doyles don't always land on the right side of the law.

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.

Surfside 6 was an ABC television series which aired from 1960 to 1962. The show centered on a Miami Beach detective agency set on a houseboat and featured Troy Donahue as Sandy Winfield II; Van Williams as Kenny Madison; and Lee Patterson as Dave Thorne. Diane McBain co-starred as socialite Daphne Dutton, whose yacht was berthed next to their houseboat. Margarita Sierra also had a supporting role as Cha Cha O'Brien, an entertainer who worked at The Boom Boom Room, a popular Miami Beach hangout at the Fontainebleau Hotel, directly across the street from Surfside 6. Surfside 6 was in fact a real address in Miami Beach, where an unrelated houseboat was moored at the time; it can also be seen in the sweeping aerial establishing shot of the Fontainebleu in 1964's Goldfinger.

Jonathan Ames, a young Brooklyn writer, is feeling lost. He's just gone through a painful break-up, thanks in part to his drinking, can't write his second novel, and carouses too much with his magazine editor. Rather than face reality, Jonathan turns instead to his fantasies — moonlighting as a private detective — because he wants to be a hero and a man of action.

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

Hafendetektiv