S4 E1 • Mountain Lion Attack

A mountain-lion-attack victim arrives with some of the worst injuries the doctors have ever seen.

Première diffusion : 28 juin 2006

S4 E2 • Shot Through the Heart

A robbery victim's gunshot wound is more serious than originally thought.

Première diffusion : 5 juillet 2006

S4 E3 • Hidden Dangers

Dr. Keller thinks a boy struck by a baseball bat has a concussion, but a CT scan reveals massive brain bleeding, and he suffers kidney failure.

Première diffusion : 12 juillet 2006

S4 E4 • Deadly Diagnosis

Doctors try an untested treatment to save an 11-year-old with strep pneumonia, a disease that kills nearly all its victims.

Première diffusion : 19 juillet 2006

S4 E5 • Code Black

A tornado slams a fence picket into a woman's head.

Première diffusion : 26 juillet 2006

S4 E6 • Life and Limb

A 7-year-old boy undergoes surgery to reattach his left arm after it was severed in a truck accident.

Première diffusion : 2 août 2006

S4 E7 • Liver Die

A teen injured in a football game needs emergency surgery to repair his liver.

Première diffusion : 27 septembre 2006

S4 E8 • Elements of Danger

A skier hits a tree and has another problem in addition to his injuries: his blood will not clot. His situation worsens when the power goes out at the hospital.

Première diffusion : 4 octobre 2006

S4 E9 • Deadly Impact

An accident victim's arm is severed, but doctors are more alarmed by the damage to his liver and spleen.

Première diffusion : 11 octobre 2006

S4 E10 • Crushed

Doctors work on a young boy who was crushed under a large stack of drywall. The blood supply to his vital organs was cut off, and there is a good possibility for multiple organ failures.

Première diffusion : 18 octobre 2006

S4 E11 • Under Siege

A gunman opens fire in a large metropolitan hospital's emergency room and takes hostages.

Première diffusion : 1 novembre 2006

S4 E12 • Family Tragedy

A boy is seriously injured in an accident after being ejected from the car because his seat belt did not fit.

Première diffusion : 8 novembre 2006

S4 E13 • Hooked Alive

A construction worker's skull has a 4-pound hook embedded in it and a trauma surgeon struggles to extract it without killing him.

Première diffusion : 8 novembre 2006

S4 E14 • Officer Down

A policeman is seriously injured in a roadside accident and doctors battle to save his damaged legs.

Première diffusion : 15 novembre 2006

S4 E15 • Too Close to Home

A snakebite expert must treat his own 2-year old son, who was bitten by a rattlesnake.

Première diffusion : 29 novembre 2006

S4 E16 • Director Down

The ER's medical director has a ruptured brain aneurysm, forcing a doctor into the stressful position of operating on a colleague.

Première diffusion : 13 décembre 2006

S4 E17 • A Shot in the Dark

A mugging victim with two bullet wounds to the head slips into a coma and needs an emergency craniotomy.

Première diffusion : 20 décembre 2006

S4 E18 • Baby Blues

A baby suddenly develops an oxygen deficiency and the infant's blood turns brown, so doctors race to pinpoint the cause.

Première diffusion : 27 décembre 2006