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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.

Baywatch Nights is an American police and science fiction drama series that aired in syndication from 1995 to 1997. Created by Douglas Schwartz, David Hasselhoff, and Gregory J. Bonann, the series is a spin-off from the popular television series, Baywatch.

After being duped and going bankrupt, model Maddie is convinced by David to become a partner in a detective agency. Together they solve various cases, while getting comfortable with each other.

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.

Sean King and Michelle Maxwell aren't your typical pair of private investigators. As discredited Secret Service agents, their unique skills often give them a leg up on suspects and conventional law enforcement. He's charming and always one step ahead of the game; she's a fearless force to be reckoned with. As a team, they're unstoppable.

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.

El pulpo negro

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.

Tajemnica zawodowa

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.

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.

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.

Dumas

Private detective Jack Carter is nothing if not eccentric: penniless, he lives, eats and sleeps at the office. When it comes to work, he accepts only those rare cases that intrigue him and leave other detectives mystified. No investigation is too strange or unusual to dishearten Carter.

Mike Hammer, Private Eye is an American syndicated television program based on the adventures of the fictitious private detective Mike Hammer, created by novelist Mickey Spillane. The show starred Stacy Keach and was seen as an attempt to revive the character he had played in Mickey Spillane's Mike Hammer and The New Mike Hammer - two moderately successful syndicated CBS series from the 1980s. Mike Hammer, Private Eye premiered on September 27, 1997. The show failed to gain a wide audience and, as a result, it was canceled after only one season. The final show of the series aired on June 14, 1998.

1964-65. Singapore is a city at a crossroads. Political and racial tensions are at fever pitch as the British pull out, and a new nation is about to be born. The lights of Bugis Street have never burned so bright: bootleg copies of Motown songs boom out from street stalls; the Rolling Stones are in town along with tourists and American sailors fresh from Vietnam. They join British and Australian soldiers checking out the prostitutes and gambling dens en route to their own war in Borneo. This is the city of Sam Callaghan, Patricia Cheng, the CIA’s Conrad Harrison and the clients of the Cheng Detective Agency. The agency’s cases range from the usual (straying spouses and petty fraudsters) to events with international implications and complications. Sam’s contacts from his military days are useful - but they start to drag him back into a dark world that he would prefer to leave behind.

Rick and Amanda Tucker own and operate their private detective agency in Laurel Canyon in Los Angeles. Amanda's psychic powers become an asset in solving cases but also tend to get the spouses into various troubles.