Blood Ties

Blood Ties is a Canadian television series based on the Blood Books by Tanya Huff; the show was created by Peter Mohan. It is set in Toronto, Canada and has a similar premise to an earlier series also set in Toronto, Forever Knight, in which a vampire assists police in dealing with crime. It premiered in the United States on March 11, 2007 on Lifetime Television, and during fall of 2007 on Citytv and Space in Canada. In May 2008, Lifetime declined to renew the series.

Andy Barker, P.I.

Certified public accountant Andy Barker reluctantly becomes a private investigator after he is mistaken for the former office tenant, who was a private eye.

Mannix

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.

The Dresden Files

A Chicago-based wizard works as a private investigator.

Spider-Noir

Ben Reilly, an aging and down on his luck private investigator in 1930s New York, is forced to grapple with his past life as the city's one and only superhero.

Johnny Staccato

Jazz pianist Johnny Staccato supplements his meager musician's income by working as a private detective. The background for many of the episodes is his friend "Waldo's" jazz club in New York City's Greenwich Village, featuring performances by the Pete Candoli jazz combo which included Barney Kessel, Shelly Manne, Red Mitchell, Red Norvo and Johnny Williams. The theme was composed by Elmer Bernstein.

Mickey Spillane's Mike Hammer

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.

Vampire Detective

Private detective Yoon San gets turned into a vampire one day while he was out on a duty. As he meets various clients and cracks cases for them, he also uncovers the mystery surrounding him as well as the secrets from his past.

Moonlight

Mick St. John is a captivating, charming and immortal private investigator from Los Angeles, who defies the traditional blood-sucking norms of his vampire tendencies by using his wit and powerful supernatural abilities to help the living.

Down Cemetery Road

When a child goes missing in the aftermath of a house explosion, a concerned neighbor teams up with a private investigator to find them. As secrets unravel and a military conspiracy emerges, all hell is unleashed on South Oxford's sleepy suburbs.

The Spencer Sisters

Former police officer Darby Spencer and her mystery novelist mother Victoria Spencer have opposite personalities but still embark on the unlikeliest of ventures: becoming partners in a private detective agency. They are mistaken as sisters as they tackle puzzling cases in Alder Bluffs.

Monk

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.

Veronica Mars

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.

Checkmate

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.

Magnum, P.I.

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.

Agatha Christie's Poirot

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.

Kubala, Moreno i Manchón

Sherlock Holmes

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.

The Rockford Files

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.

Spenser: For Hire

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.