Should watch

DI Frost is an old-school no-nonsense copper who believes in traditional policing methods. Frost uses what he knows about the street to find answers to crimes as a member of Denton's CID. His home life's complex, but his daily nemesis is the station's commander; Supt. Mullett, who's constantly worrying. He doesn't appreciate DI Frost's rough and ready manner, which doesn't stop him from trotting him out - with his George Cross,bestowed upon him.

Based on Dame Agatha Christie's crime novels and short stories, this show followed 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.

Series 1 follows the early police career of young Endeavour Morse, who upon leaving his Oxford College without a degree, spending time in the Royal Signal Corps., and eventually joining the Oxfordshire Police, is transferred to CID, attaining the rank of Detective Constable. Originally starting out his career at Carshall-Newtown Police, Morse transfers to the Oxford City Police in 1965 following a murder investigation during the pilot episode. While with the Oxford City Police, Morse is taken under the wing of veteran Detective Inspector Fred Thursday. Inspector Thursday names Morse his designated "bag man" and shows him the ropes as Morse begins to solve a string of complex murders, much to the envy and annoyance of some of his superiors, particularly Detective Sergeant Jakes and Chief Superintendent Bright. Thursday and Morse's fellow officer, Police Constable Strange, try to steer the young Endeavour into taking his Sergeant's exam, so that he may be relieved of "General Duties" and become Thursday's official "bag man" with the appropriate rank and title.

When the body of a young man is discovered in a derelict building, Detective Chief Inspector (DCI) Cassie Stuart is called in to investigate with her partner, Detective Sergeant (DS) Sunil "Sunny" Khan (Sanjeev Bhaskar). Jimmy Sullivan was a homeless runaway away boy, murdered in 1976 when the building was a hostel. His diary implicates four suspects; a clergyman, an eminent entrepreneur, a community worker, and a disabled house-bound husband caring for his wife. Each has a secret to hide. As their lies unravel, the people they love most begin to wonder what else they might be capable of. Nothing in this case is black and white. Can you ever really know the people closest to you? What secrets have they buried?.

Despite the red robe and wig, Judge John Deed is no average high court judge. Good-looking, fit and fifty-something, he has a rakish charm that belies his sharp intellect. His passion for justice and his maverick approach set him at odds with the Lord Chancellor's department. This judge's individual approach too often flies in the face of convention for his own good as he determinedly avoids the traditionalism the system tries to force upon him.

Drawing on her love of theatre and art, New Zealand author Ngaio Marsh created elegant crime-puzzlers full of quirky characters with hidden agendas, all brought meticulously to life in this BBC series.

Detective Sergeant Lisa Armstrong investigates a missing person in Morecambe Bay.

Ex Cop turned private investigator Vincent Gallagher and his team of PI's do whatever it takes to tackle cases that come to them.

First broadcast in 1987, the Inspector Morse series is a crime drama based on the Colin Dexter novels of the same name. The show is based around the exciting exploits of Chief Inspector Morse (John Thaw), a senior officer within the Criminal Investigation Department of the Oxford Police, as he investigates heavy crimes in and around Oxford with his sidekick, Detective Sergeant Lewis (Kevin Whately). Morse is a grumpy classical music aficionado who loves beer, and who frequently loses patience with the earnest, but somewhat slow, Lewis.

Six years after a sinister drugs trial in India goes horribly wrong, a young teacher is found dead. Two investigators - trainee Detective Constable Arrash 'Rash' Sayyad and junior Serious Fraud Office investigator Stefan Kowolski - are separately drawn in, investigating different strands of the same case under the watch of their respective bosses, DS Derek Sands and Eleanor Davies. As a war begins to rage between two major pharmaceutical companies and with two hit-women on their trail, Rash and Stefan's paths unexpectedly cross, forcing them to join together to uncover the truth.

British crime investigation series based around aristocratic, Oxford-educated Detective Inspector Thomas Lynley (

Single mother DCI Janine Lewis struggles with the problems of bringing up four children while leading her team of detectives in solving high-profile murders.

Crimes through the eyes of a team of forensic pathologists and forensic scientists.

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.

Supt. Dalziel and partner DI Pascoe investigate murders, and find a bond forming between them despite their blatantly differing personalities.

Series inspired by the stories of GK Chesterton; a Catholic priest has a knack for solving mysteries in his English village.

The tenacious and stubborn DCI Banks unravels disturbing murder mysteries aided by his young assistants, DS Annie Cabbot and DI Helen Morton.

Inspector Robert Lewis steps out of the shadow of his mentor, the inimitable Inspector Morse, in this highly-acclaimed series of intricate mysteries. Together with his brooding, inscrutable partner, Detective Sergeant James Hathaway, they take on the elite criminal underworld of Oxford, England, relying on Lewis' instinct and Hathaway's intellect to see past appearances and into the hearts of their upper-crust foes.