Best BBC shows: All the best dramas on BBC iPlayer

Military drama with Lacey Turner. Six months on from completing her initial training, Molly is deployed to Afghanistan, but makes a bad first impression and meets a face from her past.

A true-crime drama. Four young gay men are murdered in similar circumstances between 2014 and 2015 in the Barking area of London.

Murder-mystery following detectives confronted by a series of puzzling crimes, originally adapted from the book Red Bones by crime writer Ann Cleeves.

Crime drama by Sally Wainwright, with Sarah Lancashire as a police sergeant in the Yorkshire valleys battling her own demons when she becomes involved in the hunt for a kidnapped girl.

Drama bringing iconic detective Sherlock Holmes firmly into the 21st century. Benedict Cumberbatch plays the astute detective, with Martin Freeman as his companion Dr Watson.

Drama set in the aftermath of a violent uprising in Port Talbot, and following a family forced to flee the ensuing violence. Directed by and starring Michael Sheen, with Steffan Rhodri, Mali Harries and Maja Laskowska

Drama, starring Annette Bening and Sam Neill

Crime thriller with Adrian Dunbar, Martin Compston and Vicky McClure about a police anti-corruption unit led by Superintendent Ted Hastings. Each series follows one multi-stranded inquiry.

Two hard-up strangers stumble across a haul of cocaine on a shipwrecked boat. After agreeing to sell it and split the cash, they become entangled with police, masked hitmen and a sharp-suited gangster known as 'The Tailor'.

Nigel McCrery's long-running crime drama delves into the murky world of forensic pathology, following the efforts of officers to solve a series of puzzling crimes.

Drama about America's struggle with opioid addiction, starring Michael Keaton and Will Poulter. Richard Sackler launches a powerful new painkiller, a DEA agent learns of black market pills and federal prosecutors open a case into OxyContin. With Peter Sarsgaard, Michael Stuhlbarg, Rosario Dawson and John Hoogennakker

Crime drama following a detective investigating a death on a nuclear submarine - while the vessel remains on active duty. Starring Suranne Jones and Rose Leslie.

Crime thriller based on Mo Hayder's novels about DI Jack Caffery, starring Ukweli Roach and Juliet Stevenson.

Rural Scottish drama roughly based on Compton McKenzie's Highland novels. It stars Alastair Mackenzie as Archie MacDonald, a budding restaurateur in London.

Crime drama inspired by the true story of the 1983 Brink's-Mat gold robbery, following both the police investigation and some of the criminals involved. Starring Hugh Bonneville

An inspirational teacher is courted by a student, triggering a complex criminal case. A sinister real-life story starring Timothy Spall and Anne Reid.

A couple are driven apart over the decision whether to stop care for their daughter's deteriorating health in a poignant drama starring Sharon Horgan and Michael Sheen.

Psychological crime drama starring Idris Elba as DCI John Luther, who doesn't always stick to the letter of the law as he employs his maverick skills to hunt down twisted killers.

Epic fantasy adventure based on Phillip Pullman's acclaimed novels, with Dafne Keen as heroic protagonist Lyra.

Dory's college acquaintance Chantal goes missing and she makes it her personal mission to find her in a black comedy starring Alia Shawkat.

Student Pip Fitz-Amobi investigates a five-year-old murder-suicide case and gets more than she bargained for. Crime drama, starring Emma Myers, Zain Iqbal and Asha Banks

Max Liebermann, a medical student and protegé of Sigmund Freud, helps Detective Rheinhardt in the investigation of a series of disturbing murders around 1900s Vienna.

Jonathan Harden, Sian Brooke and Katherine Devlin star in a procedural drama following three new recruits to Belfast's police force.

Psychological thriller with Gillian Anderson. When a London-based female detective works on a murder case in Belfast, she becomes convinced there is a serial killer on the loose.