Cassie & Co.

New York, 1896. Police commissioner Theodore Roosevelt brings together criminal psychologist Dr. Laszlo Kreizler, newspaper illustrator John Moore and secretary Sara Howard to investigate several murders of male prostitutes.

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.

Detective Goro Nanase and his colleagues of "Akatsuka Detective Office" are based in Shimo-Akazuka of Itabashi-ku, Tokyo. The detectives take on a string of challenging cases that no one else wants to take on.

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.

Toronto’s only female private detective in the 1920s takes on the cases the police don’t want or can’t handle. From airplanes and booze running to American G-men, Communists and union busters, Frankie’s fearless sense of adventure gets her into all kinds of trouble, but she always manages to find her way out.

A war veteran turned private detective operates out of a tiny office in London’s Denmark Street. Although wounded both physically and psychologically, his unique insight and background as a military police investigator prove crucial in solving complex crimes that have baffled the police. Based on the bestselling novels written by J.K. Rowling under the pseudonym Robert Galbraith.

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.

Richie Brockelman, Private Eye is an American detective drama that aired on NBC from March 17, 1978 to April 1978. The series was a spin-off of The Rockford Files.

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.

Rocky King, Inside Detective is an American television series broadcast on the DuMont Television Network on Sundays at 9pm ET from January 15, 1950 to December 26, 1954. This series was one of DuMont's most popular programs, and was a live crime series set in New York City. The show not only kept Roscoe Karns from retirement, but cast him opposite his son, Todd Karns. The DuMont offices and corridors were used as sets. At the end of each program, King would exchange telephone small talk with his unseen wife Mabel and, after hanging up, say to no one in particular, "Great girl, that Mabel".

The cases of a private investigations agency run by two Vietnam War veterans and their computer geek friend from high school, armed with toughness, their own helicopter, and the third's technical ability.

Sid Halley, champion steeplechase jockey, suffers a devastating injury in a fall that ends his career. He sinks into self-pity until his aristocratic father-in-law bullies him into trying something new: becoming a private detective. A great literary gumshoe emerges as Halley regains his dignity, faces his vulnerability, and finds new meaning in life.

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).

A modern day version of the 1969 detective series about Private Investigator Jeff Randall, who is aided in cases by the ghost of his deceased partner Marty Hopkirk.

The global adventures of Ken Franklin, ace operative of the William J. Burns Detective Agency, qualify as a pop-culture curio if only for star Arthur---later Art---Fleming, who hosted the original `Jeopardy!'

Ex Scotland Yard detective Millie-Jean Black returns to Kingston to work missing persons; soon finding herself on a quest to save a sister who won’t be saved, to find a boy who can’t be found, to solve a case that will blow her world apart and prove almost as tough to crack as Millie Black.