Detective in the House

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.

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 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.

Boon is a British television drama and modern-day western series starring Michael Elphick, David Daker, and later Neil Morrissey. It was created by Jim Hill and Bill Stair and filmed by Central Television for ITV. It revolved around the life of a modern-day Lone Ranger and ex-firefighter, Ken Boon.

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.

Dex Parios is a strong, assertive, and unapologetically sharp-witted Army veteran working as a P.I. in Portland, Oregon. With a complicated personal history and only herself to rely on, she solves other people’s messes with a blind eye toward her own.

Despite their opposing personalities, a talented but directionless P.I. who is the black sheep of his family begrudgingly agrees to work as the in-house investigator for his overbearing mother, a successful attorney reeling from the recent dissolution of her marriage.

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.

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.

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.

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.

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.

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.

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

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.

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.