Chaos Theory

Chaos Theory is the 180 episode of the NBC television series, ER The staff of County General are still quarantined for several weeks when the evacuation doesn't go as planned, and Dr. Robert Romano loses his arm when he has an accident with a helicopter. Dr. Elizabeth Corday has gone back to England to work in a hospital there, although she is still very much grieving about the loss of her husband, Dr. Mark Greene. Doctors, Nurses and Staff - Oth... more

Chaos Theory is the 180 episode of the NBC television series, ER The staff of County General are still quarantined for several weeks when the evacuation doesn't go as planned, and Dr. Robert Romano loses his arm when he has an accident with a helicopter. Dr. Elizabeth Corday has gone back to England to work in a hospital there, although she is still very much grieving about the loss of her husband, Dr. Mark Greene. Doctors, Nurses and Staff - Others - less