Detective in the House

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.

A private investigator who works when he wants, lives in a beachfront estate in Hawaii, drives a posh Ferrari, runs up an unlimited tab at a swank bar, and charms attractive women in peril - that's the lifestyle of Thomas Magnum, aka Magnum, P.I.

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.

A.J. Simon is a polished fellow with a taste for classic cars and tailored suits. Rick Simon is his less refined (but still pleasant) older brother who has a taste for cowboy boots and four-wheel drive pickups. The two of them live in San Diego, where they own a private detective agency.

Meet McGraw is an American dramatic television series starring Frank Lovejoy in the role of the hard-hitting detective McGraw, a man specifically given no first name in the program. Forty-one half-hour episodes aired on NBC during the 1957-1958 season, sponsored by Procter & Gamble. The series was produced by the Desilu Studios, most of whose productions were broadcast by CBS. The theme song for the series is "One For My Baby" by Harold Arlen and Johnny Mercer. Meet McGraw preceded The Bob Cummings Show on Tuesday evenings on NBC. It aired at 9:00pm ET/PT opposite John Lupton’s Western series, Broken Arrow on ABC and Bud Collyer's To Tell the Truth quiz show on CBS. After its cancellation, Meet McGraw was repeated as The Adventures of McGraw on ABC in 1958-1959, but not in prime time. A number of episodes of the series, including "Mohave" and "Lady in Limbo," are available on DVD.

In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

Investigator Alexa Crowe, cannot help fighting the good fight – whether it is solving murders or combatting the small frustrations of everyday life. Fearless and unapologetic, Alexa's unique skills and insights into the darker quirks of human nature, allows her to provoke, comfort and push the right buttons as she unravels the truth behind the most baffling of crimes.

Checkmate is an American detective television series starring Anthony George, Sebastian Cabot, and Doug McClure. The show aired on CBS Television from 1960 to 1962 for a total of 70 episodes and was produced by Jack Benny's production company, "JaMco Productions" in co-operation with Revue Studios. Guest stars included Charles Laughton, Peter Lorre, and Lee Marvin, among many other commensurately prominent performers.

The Outsider was the story of David Ross, a go-it-alone private investigator who's always where the action is. Darren McGavin played Ross, a man living in an off-beat, always-dangerous world. The series aired for one season on NBC and was a precursor of sorts to The Rockford Files in that it featured a loner private detective who had previously done time in prison for a crime he didn't commit and who never quite fit into a rapidly changing environment.

My Friend Tony is an American crime drama that aired on NBC in 1969. The pilot originally aired as "My Pal Tony" on The Danny Thomas Hour on March 4, 1968.

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.

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.

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.

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

Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.

Cannon is a CBS detective television series produced by Quinn Martin which aired from March 26, 1971 to March 3, 1976. The primary protagonist is the title character, private detective Frank Cannon, played by William Conrad. He also appeared on two episodes of Barnaby Jones. Cannon is the first Quinn Martin-produced series to be aired on a network other than ABC. A "revival" television film, The Return of Frank Cannon, was aired on November 1, 1980. In total, there were 124 episodes.

Sons of Thunder is a television show that ran from March to April 1999 on CBS. It was a spin-off of Walker, Texas Ranger.

Mannix is an American television detective series that ran from 1967 through 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. Mannix was the last series produced by Desilu Productions.

Mickey Spillane's Mike Hammer is the title used for two syndicated television series that followed the adventures of fictional private detective Mike Hammer. The gritty, crime fighting detective—created by American crime author Mickey Spillane—has also inspired several feature films and made-for-TV movies.