What "ER" 22-th episode about
Season Finale: In the aftermath of the tragedy befalling the ER, it's a seemingly ordinary day with the usual collection of patients. But soon, the day becomes anything but ordinary as two prisoners intent on escape come to the ER for treatment, along with a hidden conspirator. Their desperate actions place one doctor in harm's way, and forces one nurse to become a tool in their plan. Soon, gunshots ring out, another doctor hits the floor, and a staff member's life is in jeopardy. The medical staff rush to the aid of the injured and quickly discover one of their own is missing!
Episode number: 22
Episode name: "21 Guns"
Episode release date: 19 may 2006 at 02:00
Status: aired
Rating: 8.7
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