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]
10/10. There are further twists ahead for Nikki, Jack and the team as they work with the police to explore multiple avenues to solve a 20-year-old case. Also in HD. [S,AD]
8/10. Nikki has a breakthrough and edges ever closer to the truth as they confront a key witness. Who can the team believe and, more importantly, who can they trust? Also in HD. [S,AD]
7/10. When a Burmese man is found dead on a deserted beach, Nikki and Jack find themselves in uncharted territory in their search for the truth. Also in HD. [S,AD]
5/10. A mummified corpse, undiscovered for a year, is found in a flat. The team strive to uncover its identity and are drawn into a murky world of drugs and botched plastic surgery. Also in HD. [S,AD]
3/10. When a body is washed up on the shore of the Thames, the team is called on to investigate. Contains scenes which some viewers may find upsetting. Also in HD. [S,AD]
2/10. The team's investigation reveals there is more than just one suspect in their case. Contains some strong language and upsetting scenes. Also in HD. [S,AD]
1/10. The team investigate a murder bearing all the hallmarks of a notorious serial killer. Contains some scenes which some viewers may find upsetting. Also in HD. [S,AD]
10/10. The Lyell team unveil corruption and deceit within the local jurisdiction of Southbay. Contains some strong language, some violence and upsetting scenes. Also in HD. [S,AD]
9/10. Jack is sucked into a complex case where he's pitted against his former mentor. The tight-knit group of police officers provide a difficult case where nothing is as it seems. Also in HD. [S,AD]
8/10. The Lyell team are called back to the tunnel as another victim is targeted. Contains some scenes which some viewers may find upsetting. Also in HD. [S,AD]
7/10. Levelling-up leaders and environmental activists clash in a small town trying to look to the future. With a sabotaged train and a dead mayor, the activists become suspects. Also in HD. [S,AD]
6/10. As the police close in on their lead suspect, Nikki is drawn to investigate and uncover the disturbing truth. An event at the Lyell takes the team by surprise. Also in HD. [S,AD]
5/10. The team are called in to explore the dark side of social media when a man is found dead at a festival. Is it a drug overdose or something much more sinister? Also in HD. [S,AD]
4/10. As Nikki and Jack delve deeper into the investigation of the disturbing abandoned lorry deaths, the truth behind this complex human trafficking case becomes clear. Also in HD. [S,AD]
2/10. Nikki's crisis deepens as she becomes more entwined with the deadly Ndrangheta. Contains some strong language, some violence and upsetting scenes. Also in HD. [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]
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]