Cassie & Co.

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

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.

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.

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.

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".

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.

Rick and Amanda Tucker own and operate their private detective agency in Laurel Canyon in Los Angeles. Amanda's psychic powers become an asset in solving cases but also tend to get the spouses into various troubles.

Two teen ghosts work alongside a clairvoyant to solve mysteries for their supernatural clientele — until a powerful witch complicates their plans.

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.

Detective Mike Hammer uses his savvy grit against deceptive enemies in Southern California.

Saeki Shuichi was a detective, but he quit his job. He now works at a detective agency. One day, a couple asks the detective agency to find a man named Sakagami. The man killed the couple's son and served at a youth detention center. Kogure Masato is the director of the detective agency. He tells Shuichi to work on the case. Shuichi is also part of a victim's family. When he was a child, his older sister was murdered. While Shuichi watches Sakagami, the couple asks him to find some materials which will allow them to forgive Sakagami or not.

Glenn Hall runs a less-than-conventional detective. Her staff includes Roberta Young, a detective who goes to great lengths to get the job done; Manny Lott, the resident technology wiz; and Dana Plant, a former Santa Monica police detective.

Private Eyes Tom Lopaka and Tracy Steele are based out of Hawaiian Village Resort where they work both hotel security and are hired by others to look into various matters. They're helped by their trusty right-hand man Kazuo Kim who runs a taxi company and is always eager to help them.

Mom P.I. is a 1990-92 Canadian television comedy-drama series starring Rosemary Dunsmore, Stuart Margolin, Emily Perkins, and Shane Meier. Dunsmore plays eternal optimist Sally Sullivan, a recently widowed mother of two supporting her family as a waitress in a working-class diner, who talks her way into a job as assistant to grumpy, cynical private eye Bernie Fox, played by The Rockford Files' Margolin. Head writer for the show was Chris Haddock, who later created the much grittier Da Vinci's Inquest and Intelligence, also for the CBC.

Ein Fall für Männdli

C.A.T.S. Eyes is a British television series made by TVS for ITV between 1985 and 1987. A spin-off of the series The Gentle Touch, Maggie Forbes leads an all-female detective agency called "Eyes" that secretly operates as a Home Office team known as C.A.T.S. (Covert Activities Thames Section).

Ex-cop and recovering alcoholic Hank Dolworth partners with his best friend, former criminal Britt Pollack, in an unlicensed private investigation business. The series is set in Ocean Beach, San Diego, California, although it is portrayed as a distinct town, with Dolworth having once been a member of the fictional Ocean Beach Police Department.

When Eliza Scarlet's father dies, he leaves her penniless, but she resolves to continue his detective agency. To operate in a male-dominated world, though, she needs a partner... step forward a detective known as the Duke. Eliza and The Duke strike up a mismatched, fiery relationship as they team up to solve crime in the murkiest depths of 1880’s London.