Continuity mistake: The first scene shows a family climbing into a gold Volvo 240 estate car, woman driving and children in the back. The following crash scene involving the same family where the car flips and is impaled by a truck is a gold Volvo 740 estate car.
Continuity mistake: Coop (new resident) has to have a dressing put on his face while a burn victim is being treated. In a later scene, he's assisting treating another patient and the dressing is gone. But a few minutes later, the patient dies and Coop's dressing is back.
Answer: It was in "Chaos Theory" which is the first episode of season 9 (time code 00:13:55).
Super Grover ★