

A group of postal detectives work to solve the mysteries behind undeliverable letters and packages from the past, delivering them when they are needed most.

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.

Genius detective Nero Wolfe and his right-hand man, Archie Goodwin, solve seemingly impossible crimes.

A spirited con woman and a demoted by-the-book detective are given the chance to redeem themselves. The catch? They have to find a way to work together each using their unique skills to solve crimes.

A recently retired English professor discovers a real knack for investigation and cannot help but interfere with the cases assigned to her police detective son.

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.

Once upon the 1970s, Dan Stark and his partner, Frank Savage, were big-shot Dallas detectives. So big, in fact, that they were lauded as American heroes after saving the Governor's son. Thirty years later, Dan Stark is a washed-up detective who spends most of his time drunk or re-hashing his glory days. Dan's new partner, Jack Bailey, is an ambitious, by-the-book and overall good detective, but is sometimes a bit too snarky for his own good. His habit of undermining himself has earned him a dead-end position in the department, and he is stuck solving annoying petty theft cases that nobody else wants. Worse, he's been given the thankless task of babysitting Dan, the drunk pariah who can never keep partners for long.

A typical day at Lochmill Capital is upended when armed thieves burst in and force Zara and her best friend Luke to execute their demands. In the aftermath, conflicted detective Rhys races against time to find out who stole £4 billion pounds of people's pensions and why.

Investigator Alexa Crowe, cannot help fighting the good fight – whether it is solving murders or combatting the small frustrations of everyday life. Fearless and unapologetic, Alexa's unique skills and insights into the darker quirks of human nature, allows her to provoke, comfort and push the right buttons as she unravels the truth behind the most baffling of crimes.

Burnt out on office politics, Agatha Raisin retires early to a picturesque village in the Cotswolds and soon finds a second career as an amateur detective investigating mischief, mayhem, and murder in her deceptively quaint town.

DS Barbara Havers is assigned to work with the upper-crust DI Thomas Lynley to solve murders.

Thrown together by the murder of John's neighbour, John and Janie are an odd, yet hilarious duo with opposing instincts. Every week, they get to the bottom of gripping murders, with various stunning Welsh locations providing a backdrop to their investigations.

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".

A five-person team comprised of a thief, a grifter, a hacker, and a retrieval specialist, led by former insurance investigator Nathan Ford, use their skills to fight corporate and governmental injustices inflicted on ordinary citizens.

The adventures of the eponymous Lovejoy, a likeable but roguish antiques dealer based in East Anglia. Within the trade, he has a reputation as a “divvie”, a person with an almost supernatural powers for recognising exceptional items as well as distinguishing genuine antique from clever fakes or forgeries.

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.

A bald, lollipop sucking police detective with a fiery righteous attitude battles crime in New York City.

Working from his home in a converted windmill, Jonathan Creek is a magician with a natural ability for solving puzzles. He soon puts this ability to the use of solving impossible crimes and mysterious murders.

Brighton based Detective Superintendent Roy Grace is a hard-working police officer who has given his life to the job, but his career is currently at rock bottom. He’s fixated by the disappearance of his beloved wife, Sandy, and running enquiries into long forgotten cold cases with little prospect of success. Following another reprimand for his unorthodox police methods, Grace is walking a career tightrope and risks being moved from the job he loves most.