Cassie & Co.

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.

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.

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).

Thirteen years after the apocalyptic Second Civil War of America, the Republic of Texas emerges with a revolutionary justice system: the Watchmen. These unique figures serve as both detective and judge, dispatching their executioners to deliver the ultimate verdict to the guilty. Freshly recruited into this elite fold is Isabelle Montoya.

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".

Cannon is a CBS detective television series produced by Quinn Martin which aired from March 26, 1971 to March 3, 1976. The primary protagonist is the title character, private detective Frank Cannon, played by William Conrad. He also appeared on two episodes of Barnaby Jones. Cannon is the first Quinn Martin-produced series to be aired on a network other than ABC. A "revival" television film, The Return of Frank Cannon, was aired on November 1, 1980. In total, there were 124 episodes.

Jonathan Ames, a young Brooklyn writer, is feeling lost. He's just gone through a painful break-up, thanks in part to his drinking, can't write his second novel, and carouses too much with his magazine editor. Rather than face reality, Jonathan turns instead to his fantasies — moonlighting as a private detective — because he wants to be a hero and a man of action.

Former police officer Robert and his wife Katy left city life behind them after Robert was injured, whilst trying to protect a witness in his care. The witness, Susan Reynolds was fatally shot. Robert has been struggling with the guilt he feels over the death of Susan. In a bid to put the past behind them, Robert and Katy now run a guest house, hidden away in the idyllic Lake District. A surprise visitor turns up, DCI Mark Maxwell, an ex-colleague and old friend. He suggests that the guest house is perfectly positioned to operate as a safe house, Robert is tempted but will Katy agree?

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.

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.

Tenspeed and Brown Shoe is an American detective/comedy series originally broadcast by the ABC network between January and June 1980. The series was created and executive produced by Stephen J. Cannell.

Banacek is an American detective TV series starring George Peppard that aired on the NBC network from 1972 to 1974. The series was part of the rotating NBC Wednesday Mystery Movie anthology. It alternated in its time slot with several other shows but was the only one to last beyond its first season.

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.

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

1964-65. Singapore is a city at a crossroads. Political and racial tensions are at fever pitch as the British pull out, and a new nation is about to be born. The lights of Bugis Street have never burned so bright: bootleg copies of Motown songs boom out from street stalls; the Rolling Stones are in town along with tourists and American sailors fresh from Vietnam. They join British and Australian soldiers checking out the prostitutes and gambling dens, en route to their own war in Borneo. This is the city of Sam Callaghan, Patricia Cheng, the CIA’s Conrad Harrison and the clients of the Cheng Detective Agency. The agency’s cases range from the usual (straying spouses and petty fraudsters) to events with international implications and complications. Sam’s contacts from his military days are useful - but they start to drag him back into a dark world that he would prefer to leave behind.

A disgraced cop in debt is forced to return to his home state of Florida for a shady mission only to get swept up in a wild — and deadly — treasure hunt.

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.

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.

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.