Lifting the lid on the night shift as experienced by A&E workers, with exclusive access to Hull Royal Infirmary. The night-time challenges facing NHS staff are captured in their raw form.
A new series returns as we follow the brave A&E night-shift teams in Belfast, Newham and Norwich. At Norfolk and Norwich Hospital, a stabbing sends both victim and attacker to A&E.
In Belfast's Royal Victoria A&E, a drunken patient sparks chaos in the waiting room, while in East London doctors race to save a young woman who arrives in suspected anaphylactic shock.
In Newham, doctors struggle to deal with an abusive man who claims he's swallowed a pack of heroin, while a 17-year-old is rushed to A&E after vomiting blood after a tonsillectomy.
Staff struggle with a disruptive patient at Newham Hospital A&E, while in Norwich doctors assess an 84-year-old woman after a head injury leaves her confused and vomiting.
Doctors have minutes to save a man's sight in East London after a violent attack, while in Belfast urgent tests assess an elderly farmer with suspected life-threatening abdominal pain.
A drunk man stabbed in the chest and hand refuses to cooperate, until heavy bleeding threatens his vital organs. In Belfast, an 81-year-old woman arrives with a shocking open fracture.
A young woman is rushed to A&E in Belfast when she's found in the street having a serious reaction to a party drug. In Norwich, a motorcyclist is showing worrying signs of brain damage.
An aggressive patient is restrained in Newham as Dr Nick orders ketamine sedation for a head injury. In Belfast, 18-year-old Jack suffers spinal shock after a catastrophic motorcycle collision.
Police are called to Belfast's Royal Victoria Emergency Department when a female patient becomes very aggressive, but Dr Rachel recognises she's suffering from a mental health crisis.
Doctors treat a non-verbal young man in a life-threatening neurological emergency, while a 34-year-old midwife with severe spinal pain is feared to have cauda equina syndrome after back surgery.
In Belfast, a semi-pro boxer is rushed to A&E after blacking out from heavy blows to the head, with fears of a brain bleed, while an elderly patient is rushed in struggling to breathe.
In Newham, a boy, 19, lies with a potentially broken neck after a judo match - any movement could worsen his injury. Meanwhile, doctors fight to save a patient with a collapsed lung.(S7 Ep12/12)