Two inch pipe in a man's head; a bride's prolonged bleeding; two prisoners from rival gangs.

A woman with undiagnosed rectal bleeding; body part stuck in a camp stove; a rare massive stroke.

A dialysis patient bleeds; a naked man falls into a cactus; radioactive rocks in the ER.

A victim's heart has a hole; a woman possessed by demons; an unusual predicament.

A mysterious white dog; an unconscious motorcyclist; a young boy's broken leg.

A Rottweiler gets loose in the ER; a deadly heart failure; a mysterious rash.

An older patient with prolonged CPR; a stabbing victim on the street; a doctor's dream job becomes a nightmare.