Hard Nut!

Detective Inspector Max Arnold lives on a battered houseboat at the end of Cheyne Walk after separating from his art dealer wife Astrid. The son of a local bookshop owner, Max is a far cry from the affluent elite whose crimes he'll help solve along with D.C. Priya Shamsie.

Narrates the events and cases encountered by Kaoru Utsumi, a rookie detective, and Manabu Yukawa, a university associate professor, while the two pair up to solve many mysterious cases.

Nothing is as it seems in this hilarious murder mystery where each suspect's story is told through a different film genre.

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".

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.

With her son grown up, single mom Pearl Nolan decides to pursue her lifelong dream and launches a private detective agency, which she runs from her family's restaurant in the coastal town of Whitstable. Drawn by her caring nature, locals soon flock to her with all manner of cases. But when an old friend dies suspiciously, Pearl finds herself in conflict with gruff new cop in town, DCI Mike McGuire.

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.

Kindaichi Hajime may look dumb, but he is one of the smartest you will ever see. He encounters mysteries after mysteries with his good friend, Miyuki, and he swears to solve them in the name of his grandfather, which was a great detective.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

The Mystery Inc. gang solve bigger mysteries while also encountering many memorable celebrities.

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

A detective team apply new techniques to old crimes as they solve cold cases.