Forensic pathologists Professor Leo Dalton, Dr Harry Cunningham and Dr Nikki Alexander are back in one of the BBC's most successful and longest-running crime dramas.
Series 11: Apocalypse: When an RAF helicopter crashes into a detention centre for asylum seekers, Harry suspects the MOD may be covering up the true cause of the crash.
Suffer The Children: The discovery of a child's mutilated body in a river raises the question of ritual killing. Meanwhile, Nikki investigates the death of a priest from a local school.
Hippocratic Oath: A post mortem on a child who died during pioneering surgery prompts Nikki to investigate a leading paediatrician with an unusually high mortality rate.
Double Dare: Nikki is forced to revisit an emotive and controversial case from her past when a notorious murderer is herself murdered. Meanwhile, Harry is investigating two unidentified bodies found in the garden of an empty house.
Peripheral Vision: Nikki clashes with DCI Mays over the guilt of a gypsy he suspects of a double murder, while Harry takes on an insurance company refusing to pay out life assurance over a case of CJD.
Series 12: Safe: Leo is arrested for drink-driving and is sentenced to do community service on a rough estate, while Levi is sucked into a world of gangs and violence.
Death's Door: Harry is mentor to an eager medical student and tangles with a Russian oligarch over the murder of a journalist.
Terror: Nikki investigates an armed raid on a terrorist cell and her investigation faces mounting police hostility.
Judgement: Harry is drawn into the Hasidic Jewish community when a young man is brutally murdered and clashes with the police as he pursues the killer.
The Lost Child: When one boy is found dead, and another is abducted, the team must work against the clock to find the missing child.
Finding Rachel: The team investigates the death of a British medical student in Zambia and Nikki clashes with Zambian police as the case unfolds.