Detective Investigation Files IV

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".

After a murder shatters the lives of three best friends, their decades-long bond is tested when an investigation reveals betrayals and shocking truths.

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.

Detective Inspector Ray Lennox investigates the disappearance of a schoolgirl while battling cocaine addiction and a mental breakdown.

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.

The adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages, Miss Marple often stumbles upon mysterious murders which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over.

Secluded on a remote Greek island, retired assassin Julie has a somewhat thorny reunion with her estranged son, Edward, visiting from England. Armed with questions around new information on his paternity, Edward battles to find the right time to speak to his frustratingly distant mother. But, when the moment finally presents itself, things take a deadly turn as Julie’s dangerous past catches up with her and they are forced to flee the island and go on the run together.

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.

A Veteran detective is called to a hospital mortuary to identify a corpse only to find it is his estranged daughter. Traumatized by the news she apparently took her own life, Frater sets out to discover the truth about her death.

Explore the psychological underpinnings of love and murder in a small mountain resort town while following popular children’s book author and illustrator Olivia Lake, whose literary success makes her a local celebrity in the tight-knit community.

The mysterious disappearance of a Scottish fishing trawler and a death on-board the submarine HMS Vigil bring the police into conflict with the Navy and British security services. DCI Amy Silva and DS Kirsten Longacre lead an investigation on land and at sea into a conspiracy that goes to the very heart of Britain’s national security.

When Detective Kat Donovan matches on a dating app with the fiancé who disappeared years before, she learns that some secrets are best left in the past.

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.

Set in a dystopian America ruled by a totalitarian political party, the series follows several seemingly unrelated characters living in a small city. Tying them all together is a mysterious savior who’s impeccably equipped for everything the night throws at them. As the clock winds down with their fates hanging in the balance, each character is forced to reckon with their pasts as they discover how far they will go to survive the night.

A prisoner on death row in the US, a vicar in a quiet English town, and a maths teacher trapped in a cellar cross paths in the most unexpected way.

Toronto’s only female private detective in the 1920s takes on the cases the police don’t want or can’t handle. From airplanes and booze running to American G-men, Communists and union busters, Frankie’s fearless sense of adventure gets her into all kinds of trouble, but she always manages to find her way out.

When an unidentified body is found in a luxury apartment linked to Oliver Kennedy and his girlfriend Ciara Wyse, Detectives Lee Reardon and Karl Connolly reconstruct the couple's deadly romance across the past 56 days.

How do you solve a murder in a post-fact world? Especially when sailing the Mediterranean on an ocean liner filled with the wealthy and powerful. Everyone on board is hiding something… but is one of them a killer? That’s what the world’s once greatest detective, Rufus Cotesworth, and his protégée, Imogene, aim to discover.

Baywatch Nights is an American police and science fiction drama series that aired in syndication from 1995 to 1997. Created by Douglas Schwartz, David Hasselhoff, and Gregory J. Bonann, the series is a spin-off from the popular television series, Baywatch.

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.