Gestatten, mein Name ist Cox

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".

Dellaventura is a former cop, now a private eye, who helps people when the law can't.

Adrian Monk was once a rising star with the San Francisco Police Department, legendary for using unconventional means to solve the department's most baffling cases. But after the tragic (and still unsolved) murder of his wife Trudy, he developed an extreme case of obsessive-compulsive disorder. Now working as a private consultant, Monk continues to investigate cases in the most unconventional ways.

A modern day version of the 1969 detective series about Private Investigator Jeff Randall, who is aided in cases by the ghost of his deceased partner Marty Hopkirk.

Sam Swift, the former star of a hit cop series whose epic breakdown is broadcast to the public and sends her to rehab. Desperate to restart her career, she talks her way into shadowing lone-wolf private investigator Eddie Valetik as research for a potential comeback role. Though Eddie resents the babysitting gig, high-spirited Sam uses the skills she learned as an actor playing a cop and proves herself to be surprisingly valuable.

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.

Snoops is an American comedy-drama television series that aired on ABC. The series, which aired from September 26, 1999 to December 19, 1999, was created by David E. Kelley. Snoops came about during the height of Kelley's fame, with both The Practice and Ally McBeal sustaining large audiences.

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.

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

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.

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.

Beautiful, intelligent, and ultra-sophisticated, Charlie's Angels are everything a man could dream of... and way more than they could ever handle! Receiving their orders via speaker phone from their never seen boss, Charlie, the Angels employ their incomparable sleuthing and combat skills, as well as their lethal feminine charm, to crack even the most seemingly insurmountable of cases.

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.

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.

Charlie Grace is a Los Angeles private eye with a daughter named Jenny, works along with other cops, including his partner, Crawford, to solve different multiple mystery cases.

Archer is a short-lived American crime drama series starring Brian Keith and John P. Ryan that aired on NBC in 1975.

Black Tie Affair is an American crime drama spoof that aired from May 29 until June 19, 1993.

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.