100 Code – 2015 – Detective Tommy Conley travels to Stockholm to help a combative Swedish detective investigate a series of murders.
55 Degrees North – 2004 to 2005 – After he alleges corruption against a colleague, a London detective moves to a new location.
A Discovery of Witches – 2018 to present – A witch must solve a secret code with the help of an enigmatic vampire.
A Dorothy L. Sayers Mystery – 1987 – This adaptation featured Edward Petherbridge as Lord Peter Wimsey, gentleman jewel thief.
A Fatal Inversion – 1992 – When bodies turn up at a country house Adam once owned, he’s the obvious suspect.
A Game of Murder – 1966 – When a once-famous athlete dies mysteriously on a golf course, his detective son decides to investigate.
A Mind to Kill – 1994 to 2002 – Philip Madoc stars as DCI Noel Bain, a Welsh detective who struggles a bit with the changing ways of police work.
A Most Mysterious Murder – 2005 – This miniseries was written by Julian Fellowes (Downton Abbey) and features real life unsolved murders told in docu-drama style.
A Mother's Son – 2012 – When a mother suspects her son of murder, she has to decide whether to turn him in or help cover it up.
A Place of Execution – 2009 – 45 years after a young girl disappears from a small English village, a journalist’s documentary brings old events to the surface.
A Touch of Frost – 1992 to 2010 – Rumpled and slovenly DI Jack Frost follows his instincts to find justice for the underdogs.
Above Suspicion – 2009 to 2012 – DC Anna Travis is a rookie detective determined to prove herself.
Acceptable Risk – 2017 to present – When Sarah's husband is murdered, she realizes how little she knows about his past.
Accused – 1996 – Each episode of this legal drama follows a single case in a busy magistrates' court.
Accused – 2010 to 2012 – This series consists of self-contained episodes that look at how different people ended up in court.
Ace of Wands – 1970 to 1972 – A stage magician named Tarot solves mysteries with his assistants.
Afterlife – 2005 to 2006 – Before The Walking Dead, Andrew Lincoln starred in this British series about a university lecturer who’s skeptical about the paranormal until meeting a medium.
Agatha Christie Hour – 1982 – This series is a collection of one-hour dramas based on Agatha Christie's short stories.
Agatha Christie's Poirot – 1989 to 2013 – The eccentric Belgian Detective Poirot investigates mysteries in this adaptation of the Agatha Christie classics.
Agatha Raisin – 2014 to present – Based on the M.C. Beaton novels, Agatha Raisin leaves her high-flying London PR life for a peaceful existence in The Cotswolds – or so she thinks.
Altered Carbon – 2018 to present – 360 years in the future, all consciousness is stored digitally and a rebel from the distant past is brought back and given a chance at a new life.
Amber – 2014 – Ireland – Set in Dublin, this miniseries follows the disappearance of a 14-year-old girl named Amber.
Amnesia – 2004 – This miniseries tells the story of DS MacKenzie Stone, his tireless search for his wife who disappeared 5 years prior, and an amnesiac who factors into the case.
An Unsuitable Job for a Woman – 1997 to 2001 – Cordelia manages a rundown detective agency after her boss kills himself.
And Then There Were None – 2015 – Based on the Agatha Christie novel, this miniseries sees 10 strangers invited to an island, only to be killed off one by one.
Appropriate Adult – 2011 – Based on the true story of Gloucester serial killer Fred West and his wife Rosemary West.
Armchair Mystery Theatre – 1960 to 1965 – This mystery anthology series was a spinoff from the drama anthology Armchair Theatre.
Armchair Thriller – 1978 to 1982 – This anthology series features stories of mystery, suspense, and the supernatural.
Arthur & George – 2015 – Martin Clunes stars as Sir Arthur Conan Doyle in this miniseries.
Ashes to Ashes – 2008 to 2010 – In this Life on Mars sequel, DCI Gene Hunt joins the Metro Police to work on “southern nancy” crimes with partner DI Alex Drake.
Babylon – 2014 – This London-based series focuses on a number of high-ranking police officers and a new communications director in charge of improving police image.
Backup – 1995 to 1997 – Nine men and women work in a special unit that does whatever is necessary to support the West Midlands Police Force.
Bad Girls – 1999 to 2006 – This drama focuses on the inmates and staff in a fictional London-area prison.
Badger – 1999 to 2000 – Tom and Jim are wildlife protection officers in Northumberland who investigate crimes related to wildlife. They work closely with Steph, a vet, and Claire, another officer.
Bancroft – 2017 to 2018 – DS Elizabeth Bancroft is a brilliant officer, but the questionable tactics she employed in the past are coming back to haunt her.
Bang – 2017 to present – In this bilingual Welsh crime drama, a man comes into possession of a gun and his life is forever changed.
Baptiste – 2018 to present – Baptiste is a spinoff of the original series The Missing.
Beasts – 1976 to 1976 – This supernatural anthology series was created in the 1970s and features six self-contained episodes of beastly horror – rats, witches, wolves, and…ghost dolphins terrorize the characters.
Bedlam – 2011 to 2013 – A man with the ability to see ghosts moves to Bedlam Heights, home to numerous strange hauntings.
Bergerac – 1981 to 1991 – Divorced alcoholic DS Jim Bergerac doesn't always do things the way his boss might prefer, but he gets results.
Between the Lines – 1992 to 1994 – At the Complaints Investigation Bureau, they police the police.
Births, Marriages, & Deaths – 1999 – A group of young men play a stag night prank on their old headmaster, and the consequences are disastrous.
Black Earth Rising – 2018 to present – Rescued as a child in Rwanda and now living in London, Kate Ashby takes on a case that will upend her life.
Black Work – 2015 – A widowed policewoman tries to figure out who killed her husband during an undercover operation.
Blackout – 2012 – A corrupt councilman awakens after an alcohol-induced blackout to realize he may have committed murder.
Blood Strangers – 2002 – This two-part crime drama stars Caroline Quentin (Jonathan Creek) as a mother whose daughter was killed while working as a teen prostitute.
Bloodlines – 2005 – A young policewoman's father has been in prison for murder. When he’s released, she discovers a number of dark family secrets.
Blue Murder – 2003 to 2009 – DCI Janine Lewis struggles with the challenge of being a single mom to four kids while leading a team of detectives through homicide investigations.
Bodyguard – 2018 to present – Police Sergeant David Budd is thrown into a conspiracy reaching the highest levels of British government.
Boon – 1986 to 1995 – After suffering permanent lung damage rescuing a child from a fire, a fireman retires and begins a new life of odd jobs and later, detective work.
Born to Kill – 2017 – In this miniseries, a teenager harbors dark and psychopathic desires.
Broadchurch – 2013 to 2017 – When an 11-year-old boy is murdered in a quiet coastal community, town secrets are exposed.
Bulman – 1985 to 1987 – An ex-cop retires to repair clocks in an antique and junk shop, but it doesn't take much for the daughter of an old colleague to convince him to become partners in a PI firm.
Burnside – 2000 – This spinoff of The Bill follows DCI Frank Burnside as he goes to work for the National Crime Squad.
By Any Means – 2013 – This series follows a clandestine investigative unit that operates in gray areas to get the job done.
Cadfael – 1994 to 1998 – A monk named Cadfael solves medieval mysteries in Shrewsbury.
Callan – 1965 to 1972 – David Callan is a reluctant assassin for a shadowy branch of British Intelligence.
Campion – 1989 to 1990 – An aristocrat in the 1930s adopts a fake name and investigates mysteries with help from his servant.
Cardinal – 2017 to present – Police detectives John Cardinal and Lise Delorme investigate crimes in Algonquin Bay.
Case Histories – 2011 to 2013 – Based on the Jackson Brodie novels by Kate Atkinson, this Edinburgh-based series features a tough guy PI with a heart of gold.
Case Sensitive – 2011 to 2012 – DS Zailer and DC Waterhouse take different perspectives on the murder of a mother and her 5-year-old daughter.
Catweazle – 1970 to 1971 – An 11th-century wizard falls through time and lands in 1969, where he befriends a young boy.
Chancer – 1990 to 1991 – Clive Owen stars as “Dex”, a successful businessman with a shady past.
Chandler & Co – 1994 to 1995 – A housewife and a divorcee become private detectives, solving cases and finding themselves.
Charters & Caldicott – 1985 – Two retired gentleman set out to solve a murder and end up involved in espionage.
Chasing Shadows – 2014 – A difficult but gifted officer works within a missing persons unit to find cases that may be linked to murder.
Children of the North – 1991 – When two MI6 officers are killed in an unmarked car, all manner of chaos rains down.
Chimera – 1991 – When his girlfriend dies at a fertility clinic, a journalist investigates.
Circles of Deceit – 1993 to 1996 – This series of 4 made-for-TV films features Dennis Waterman as John Neil, a war hero turned special operative acting as a lone agent on tough cases.
City Central – 1998 to 2000 – This series looks at the public and private lives of the men and women who work the City Central police station in Manchester.
Class – 2016 – This Doctor Who spinoff is set in the fictional Coal Hill Academy, where students deal with all the normal issues, plus the pressures of time travel.
Clean Break – 2015 – Ireland – Car dealer Frank Mallon’s life is in shambles, but he devises a plan to solve his money problems and get revenge on the people making his life miserable.
Close & True – 2000 – An inexperienced lawyer works in a rundown office.
Code of a Killer – 2015 – This criminal drama tells the story of the first time DNA fingerprinting was used to help solve a murder case.
Cold Blood – 2005 to 2008 – A notorious murderer is finally placed in prison, but they can't find his last victim.
Collateral – 2018 to present – When a pizza delivery man is murdered, police soon realize there’s much more to the story.
Collision – 2009 – A major road accident changes the lives of several people who had never met prior to the incident.
Colonel March of Scotland Yard – 1954 to 1956 – This vintage series stars Boris Karloff as a detective who investigates unusual and sometimes supernatural cases.
Conviction – 2004 – Mistakes made during the investigation of a 12-year-old girl’s murder have consequences for the investigators.
Cracker – 1993 to 1996 – Though he’s obnoxious and anti-social, Fitz is a brilliant criminal psychologist and police consultant.
Crime Stories – 2012 – This heavily improvised crime drama features a former real-life police officer investigating crimes alongside well-known guest actors.
Crime Traveler – 1997 – A detective and scientist team up to travel back in time to solve crimes.
Criminal Justice – 2008 to 2009 – Each series follows a different case through the justice system.
Crown Court – 1972 to 1984 – There are nearly 900 episodes of this legal drama about the court proceedings in fictional Fulchester.
Crownies – 2011 – This series was a predecessor to Janet King, and it focused on lawyers working for the crown prosecution service.
Cuffs – 2015 – Cuffs takes a look at the lives of front-line police officers in seaside Brighton and surrounding areas in Sussex.