The story is set in London and follows Katrielle as she solves mysteries with her talking dog Sherl.

Thanks to his police officer father's efforts, Shawn Spencer spent his childhood developing a keen eye for detail (and a lasting dislike of his dad). Years later, Shawn's frequent tips to the police lead to him being falsely accused of a crime he solved.

Now, Shawn has no choice but to use his abilities to perpetuate his cover story: psychic crime-solving powers, all the while dragging his best friend, his dad, and the police along for the ride.

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.

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.

After being duped and going bankrupt, model Maddie is convinced by David to become a partner in a detective agency. Together they solve various cases, while getting comfortable with each other.

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.

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.

Crime comedy series about an ex-cop who founds an improvised detective school and gives his students real cases to solve.

Tenafly is a crime-drama series that was part of the NBC Mystery Movie wheel for the 1973-74 season. It was created by Richard Levinson and William Link, the creators of popular mystery television shows such as Columbo and Murder, She Wrote. It was the one of the first television series that season to star an African-American character as the main protagonist. Due to low ratings, Tenafly only lasted one season.

Snoops is an American comedy-drama television series that aired on ABC. The series, which aired from September 26, 1999 to December 19, 1999, was created by David E. Kelley. Snoops came about during the height of Kelley's fame, with both The Practice and Ally McBeal sustaining large audiences.

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.

Riptide is an American TV detective series that ran on NBC from December 3, 1983 to August 22, 1986, starring Perry King, Joe Penny, and Thom Bray. Riptide was created by Frank Lupo and Stephen J. Cannell, and produced by Stephen J. Cannell Productions in the wake of Magnum PI's success. The main theme was composed by Mike Post and Pete Carpenter. A mid-season replacement, it debuted as a two-hour TV movie in early 1984.

Switch is an American action-adventure, tongue-in-cheek detective series starring Eddie Albert and Robert Wagner, who work as private eyes, for a deceptive sting operation. It was broadcast on the CBS network for three seasons between September 9, 1975 and August 20, 1978, bumping the Hawaii Five-O detective series to Friday nights.

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.

Mayumi Dojima, a second-year student at the exclusive Yubiwa Academy middle school, has lost something—a star she glimpsed just once, ten long years ago. But help is on the way, in the form of the unofficial, secretive, and thoroughly mysterious Pretty Boy Detective Club! Rumored to solve problems within the school (most of which they themselves might as well created) for reasons aesthetic rather than financial, these five gorgeous boys sweep Mayumi into their world of excitement, danger, and overwhelming beauty.

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.

Tropical Heat is a Canadian action series

The plot revolves around private investigator, ex-DEA agent Nick Slaughter who after arriving in the fictional resort town of Key Mariah, Florida and setting up a detective agency there, met up with local tourist agent Sylvie Girard to solve a variety of different cases.

The Finder of Lost Loves TV show was a 60 minute drama series on ABC about a private investigator who specialized in finding lost loves from the past for his heartbroken clients.

P.S. I Luv U is an American crime drama series. The title derived from the phone number of fictitious Palm Security and Investigations, which was 774-5888, which can be reached by dialing "PSI-LUVU" on a standard North American telephone.

Max is a Jack Russell dog genetically modified for criminal purposes so he is able to talk. Running away from the criminals he's working for, he is wounded, then saved by detective-wannabe Alberto, who is fire and house-hunting. They end up staying with Alberto's sister-in-law Marta and her two children. Thanks to them all, Alberto finally manages to be a detective, and he and Max establish their detective agency: Sabuesos.