First Casualty: Emilia Fox stars in the forensics mystery series. As Nikki probes a drowning, Harry investigates an apparent suicide at an army base, but the cases are linked. [S,AD]
First Casualty: Emilia Fox stars in the forensics mystery series. As Nikki probes a drowning, Harry investigates an apparent suicide at an army base, but the cases are linked. [S,AD]
4/6. Jack learns a secret about his father as Nikki and Simone investigate a buried body. Contains some scenes which some viewers may find upsetting. Also in HD. [S,AD]
3/6. A woman has confessed to murdering her husband. Is all as it seems? Contains some strong language, some violence and some upsetting scenes. Also in HD. [S,AD]
1/6. Sam Ryan recruits the Lyell team to investigate the assassination of the health secretary, but Nikki is unsure whether Sam knows more than she's letting on. Also in HD. [S,AD]
10/10. Stranded in the flooded care home, Jack and Simone fight to keep the residents alive - but Nikki discovers that they may be trapped inside with the killer. Also in HD. [S,AD]
9/10. Nikki's students make an alarming discovery while dissecting a body donated for their training. Jack and Simone try to save care home residents from a flood. Also in HD. [S,AD]
8/10. Jack, Nikki and Simone investigate another death connected to the underground boxing ring. Jack's loyalty is tested when he fears Ryan has put Cara in danger. Also in HD. [S,AD]
7/10. The murder of a promising boxer draws Nikki and Jack into the world of underground boxing. Meanwhile, Jack's brother Ryan is released from prison. Also in HD. [S,AD]
6/10. With their suspect in a coma and an attacker seemingly at large in the hospital, Nikki calls on Adam's expertise to help solve the case. Also in HD. [S,AD]
5/10. Nikki, Jack and Adam investigate the murder of a surgeon in a hospital. DNA evidence appears to implicate a patient who was under anaesthetic at the time of the killing. Also in HD. [S,AD]
2/10. As the team investigate a second death, Nikki's theory starts to fall apart. Can she put her fixation with Scott aside and find the killer? Also in HD. [S,AD]
1/10. While investigating a suspicious death in a prison, Nikki focuses her attention on the victim's cellmate, a dangerous criminal from her past. Also in HD. [S,AD]
10/10. Jack is rushed to hospital after collapsing at the scene of a car crash. As he fights for his life, the team must identify the poison to save their friend. Also in HD. [S]
10/10. Jack is rushed to hospital after collapsing at the scene of a car crash. As he fights for his life, the team must identify the poison to save their friend. Also in HD. [S,AD]
9/10. Thomas performs a post-mortem on a soldier who died in military training. His investigation takes a turn when he discovers traces of a possible nerve agent. Also in HD. [S,AD]
6/10. When the team's search for Jenny's killer hits a wall, her friends at the women's refuge seek answers. Meanwhile, Thomas makes some friends in high places. Also in HD. [S,AD]
5/10. A woman's body is found on railway tracks in London. When the post-mortem reveals signs of domestic violence, it brings back troubling memories for Nikki. Also in HD. [S,AD]
4/10. Investigating the murder of missing teenager Jason Forbes, Nikki and the Lyell team are pressured by police officers who are keen to secure a conviction. Also in HD. [S,AD]
3/10. When the body of a missing teenager is found in a field near his village, Nikki and the Lyell team must determine whether the killer is a stranger or a local. Also in HD. [S,AD]
1/10. The team find unexpected connections between the death of a former US ambassador in a plane crash and the apparent suicide of a successful businessman. Also in HD. [S,AD]
Betrayal, Part Two: When Thomas sides against her findings on a controversial case, Nikki suspects foul play and takes steps to prove her theory. Also in HD. [AD,S]
Betrayal, Part One: Nikki is humiliated in court when a barrister accuses her of making a serious error. The team investigates the death of a medical researcher found in a canal. Also in HD. [AD,S]
Deathmaker, Part Two: During the team's search for the killer, Jack works alongside an old friend from Northern Ireland, and they uncover a complex conflict. Also in HD. [AD,S]
Deathmaker, Part One: A shocking incident on a suburban street brings back painful memories for Jack, forcing him to revisit his past. Also in HD. [AD,S]
To Brighton, to Brighton: Part Two: The team must painstakingly piece together the evidence and unearth the connections between a diverse range of suspects. Also in HD. [AD,S]
To Brighton, to Brighton: Part One: The Lyell team are summoned to a waste dump in Brighton where a body part has been found. The search is on to recover the other remains. Also in HD. [AD,S]
Lift Up Your Hearts, Part Two: When tragedy strikes close to home, it puts head teacher Noah Taylor on a collision course with the criminals responsible. Can the Lyell team help? Also in HD. [AD,S]
Two Spirits, Part Two: Forensic crime drama series. A mistake has been made during the course of the investigation, and Thomas is targeted as a scapegoat. Also in HD. [AD,S]
Two Spirits, Part One: Forensic crime drama series. Nikki and the Lyell unit are called in to investigate an attack against a transgender man. Also in HD. [AD,S]
Family, Part Two: With the conclusion of a challenging Christmas, the team are reunited with their families. Nikki learns that her colleagues have bought her a present. Also in HD. [AD,S]
Family, Part One: Forensic crime drama series. Nikki, Jack, Thomas and Clarissa are settling down for festive celebrations when they get a call-out to a tragedy at a family home. Also in HD. [AD,S]
One Day, Part Two: The team continue to investigate the truth around the care home deaths. Clarissa's determination to find out the shocking truth puts her life in danger. Also in HD. [AD,S]
One Day, Part One: Forensic crime drama series. After a fatal traffic accident, suspicion falls on a care home resident, but is the suspicion justified? Also in HD. [AD,S]
A Special Relationship, Part Two: Forensic crime drama series. When analysing crime scene photos and the positions of the victims' bodies, the team uncover a secret. Also in HD. [AD,S]
A Special Relationship, Part One: Forensic crime drama series. A US diplomat is shot dead in central London, forcing the team to work closely with the embassy and the FBI. Also in HD. [AD,S]
Duty of Candour, Part Two: Forensic crime drama series. The team wonder if the hack is the only danger as they come under threat. Jack has to decide how to get closure. Also in HD. [AD,S]
Duty of Candour, Part One: Forensic crime drama series. A series of tragic events are linked to the hacking of a hospital database and the subsequent blackmailing of patients. Also in HD. [AD,S]
4/5. Part 2: Covenant. Nikki helps Becky come to terms with her trauma. Jack is paranoid that Clarissa will leave the Lyell Centre. Paul is in way over his head. Also in HD. [AD,S]