Detective in the House

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.

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.

Set in 1932 Los Angeles, the series focuses on the origin story of famed defense lawyer Perry Mason. Living check-to-check as a low-rent private investigator, Mason is haunted by his wartime experiences in France and suffering the effects of a broken marriage. L.A. is booming while the rest of the country recovers from the Great Depression — but a kidnapping gone very wrong leads to Mason exposing a fractured city as he uncovers the truth of the crime.

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.

A formerly blacklisted spy uses his unique skills and training to help people in desperate situations.

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, with Stacy Keach in the title role, is a television series that originally aired on CBS from January 28, 1984 to January 12, 1985. The series was 24 sixty minute episodes. The show follows the adventures of Mike Hammer, the fictitious private detective created by crime novelist Mickey Spillane, as he hunts down criminals on the mean streets of New York City.

When an insidious supernatural force edges its way into a seemingly straightforward investigation into the gruesome murder of a young boy, it leads a seasoned cop and an unorthodox investigator to question everything they believe in.

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.

When a house explodes in a quiet Oxford suburb and a girl disappears in the aftermath, neighbor Sarah Tucker becomes obsessed with finding her and enlists the help of private investigator Zoë Boehm. Zoë and Sarah suddenly find themselves in a complex conspiracy that reveals that people long believed dead are still among the living, while the living are fast joining the dead.

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.

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.

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.

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.

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.

Legmen is an American drama series that aired on NBC on Friday nights from January 20, 1984 to March 16, 1984.

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.

Simon & Simon is an American detective television series that originally ran from November 24, 1981 to January 21, 1989. The series was broadcast on CBS and starred Gerald McRaney and Jameson Parker as two brothers who run a private detective agency together.