Checkmate

Fitz and Bones is a short-lived American television series, starring Dick and Tom Smothers, that aired on NBC in 1981. Fitz and Bones details the investigative dynamic between reporter Ryan Fitzpatrick and cameraman Bones at a San Francisco news station, along with key cast members and plot tensions with bosses and rivals.

Trapper John, M.D. is an American television medical drama and spin-off of the film MASH, concerning a lovable doctor who became a mentor and father figure in San Francisco, California. The show ran on CBS from September 23, 1979, to September 4, 1986.

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.

Hagen is an American legal drama television series that aired from March 15 until April 24, 1980.

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.

Jaime Sommers is saved from death after receiving experimental medical implants. While adjusting to her new bionic powers and raising a rebellious younger sister, Jaime agrees to work for the Berkut Group, a quasi-governmental private organisation that performed her surgery.

The Law & Harry McGraw is an American mystery crime drama television series created by Peter S. Fischer and a spin-off of Murder, She Wrote. The series stars Jerry Orbach as a Harry McGraw, a loudmouthed, uncouth, old school private detective who continually finds himself solving mysteries on behalf of the prim and proper attorney Ellie Maginnis who has an office across the hall.

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.

Georg Dengler is a private investigator after his unpleasant departure from the BKA. His missions, which are often very politically explosive, take him to all areas of Germany and also to other European countries. His experience and connections from his time at the BKA benefit him, and he now mostly works with the people he previously had to hunt down. The series is a film adaptation of the Dengler novels by Wolfgang Schorlau and has been broadcast on ZDF since 2015. A characteristic feature of Schorlau's works is the criticism of social and political conditions; the films in the series are often based on true events, but the specific plot is fictitious.

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".

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.

When an assassin's bullet confines him to a wheelchair for life ending his career as Chief of Detectives, Robert T. Ironside becomes a consultant to the police department. Detective Sergeant Ed Brown and policewoman Eve Whitfield join with him to crack varied and fascinating cases. Ex-con Mark Sanger is employed by the chief as home help but eventually becomes a fully fledged member of the team also. Officer Whitfield leaves after 4 years service, and is replaced by Officer Fran Belding.

Police Detective Sgt. Joe Friday and his partners investigate crimes in Los Angeles.

Baretta is an American detective television series which ran on ABC from 1975 to 1978. The show was a milder version of a successful 1973–74 ABC series, Toma, starring Tony Musante as chameleon-like, real-life New Jersey police officer David Toma. While popular, Toma received intense criticism at the time for its realistic and frequent depiction of police and criminal violence. When Musante left the series after a single season, the concept was retooled as Baretta, with Robert Blake in the title role.

Jack Irish is a man getting his life back together again. A former criminal lawyer whose world imploded, he now spends his days as a part-time investigator, debt collector, apprentice cabinet maker, punter and sometime lover – the complete man really. An expert in finding those who don’t want to be found – dead or alive, Jack helps out his mates while avoiding the past. That is until the past finds him.

After years as an MI6 operative, Sylvia winds up in a village in Umbria visiting her sister Isabel and becomes involved in a murder investigation.

The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.

Murder in Suburbia was a British detective drama that ran for two series in 2004 and 2005. Detective Inspector Kate Ashurst, a graduate of a posh girls' academy, has a sharp, analytical mind; her working-class partner, Detective Sergeant Emma Scribbins, relies on her instincts. Together this sassy, sexy investigative team uncovers the dark urges behind suburban Middleford's placid façade.

Professor Jasper Tempest, a genius Cambridge University criminologist with OCD and an overbearing mother, advises the police. British version of the Belgian crime drama of the same name.