Nightwatch Nation

EMT's in cities across America answer the calls for help from their communities. In Austin, Texas, responders run point in a massive multiple car collision and need to triage more victims than can fit into their ambulance.

In Baton Rouge, Lacey and Stacey restrain a patient suffering from violent hallucinations after overdosing on the synthetic drug Mojo.

Alex and Jamal face unexpected challenges. Steven and Sam are called to a structure fire. Things get personal for Niki when a call for a patient with back pain takes an emotional turn.

In Austin, Luddy and Finch practice parking lot medicine when they respond to a heroin overdose on a 19-year-old patient.

A man is shot by someone he trusts. Meanwhile, Cunningham and Ariel face an emotional call. And, Niki and Nicole are faced with the task of trying to save a life of a fellow service member.

In Baton Rouge, a brawl erupts in the back of Meghan and Dee's ambulance when an overdose patient wakes up swinging.

Baton Rouge paramedics rush to the aid of a man attacked by his girlfriend. Gunshots fired send Ariel and Cunningham to save a man. And, first responders plead with a patient to go the hospital.

The opioid epidemic grips the nation as Baton Rouge EMS teams scramble save lives. A heatwave in the south makes bad calls worse .

It's a race against the clock in Baton Rouge for Brandon and Coop to save a man's life after he's been struck by a bullet in the chest. In the middle of an empty parking lot.

Patrick and Danelle help a schizophrenic patient; Holly and Chris have a scary run-in with poison control involving a nervous mother; Baton Rouge, La., has a night filled with erratic patients.