A mugging victim arrives with two bullet wounds to the brain.

A grown man screams incessantly, a young mother is ice cold and a boy denies overdosing on drugs.

A knifing victim suddenly starts seizing and his doctors can't treat him until they figure out the cause.

A skier hits a tree at 50 mph.

An unconscious woman is bleeding internally. Aman with a 4-day erection needs extraordinary help.

Two skydivers are impaled by the same fence post; a bride-to-be gets her finger stuck in a makeup jar.

An artist has to have his hand reattached after accidentally cutting it off while working on a new project.

A doctor takes a nurse's heart in his hands in an effort to save her life; the ER goes nuts during a Greek festival.

An 11-year-old girl has streptococcal pneumonia, which has a high fatality rate.

A patient claims he was shot in the head; a doctor tries to save a brain-dead woman.

Victims of a plane crash bring reporters when they come to the small E.R. Meanwhile, a doctor faces a difficult decision about a teen patient.

A stroke patient's wife and two girlfriends fight over him; soldiers who lost limbs in an IED explosion; a child's play bite.

A Dialysis patient is bleeding and doctors can't get it to stop. A naked man falls onto a cactus.

A snapping turtle bites a man's neck; a tree trimmer is impaled by a chainsaw.

A physician's son becomes her patient; a woman visits the ER after picking wild mushrooms.

Doctors use robot operated by specialist t another hospital to treat a seizing 7-year-old boy.

A teenager football player suffers a stroke in the ER. Plus, a doctor tries to solve the mysterious abdominal pains of a patient and a man is run over by his wife twice.

A woman is dragged out of a house fire and has a heart attack in the ER. A man with two faces finds out he has cancer.

A boy is crushed by an ATV; a partygoer become paralyzed.

A man with blue skin is treated by doctors; a teenage girl experiences mysterious abdominal pains.

A circus sword swallower suffers from a case of hiccups. A mother and daughter mysteriously collapse.

A team of doctors tries to save a patrol officer's life.

A young nurse collapses in the ER and her co-workers must restart her heart.

A newlywed's hand gets stuck in a kitchen appliance; a student with an injury down under; a heavy drinker has complications.

A young girl, recently hit by a hockey puck, is now mysteriously paralyzed from waist down.