Band Aid Covers the Bullet Hole - S2-E21
Continuity mistake: The way the patient holds the ice pack over his crotch changes between the wide and close-up angles.
Band Aid Covers the Bullet Hole - S2-E21
Continuity mistake: During the credits, the baby's head keeps swapping from covered to uncovered.
Band Aid Covers the Bullet Hole - S2-E21
Continuity mistake: When Derek is talking to Meredith on the hospital balcony and they are eating a sandwich each, in one shot Derek is taking a bite from his sandwich, then in the next shot he is suddenly holding it down at waist level. He then raises it to take another bite and you can see the previous bite has gone and the sandwich is whole again. (00:21:55)
Band Aid Covers the Bullet Hole - S2-E21
Continuity mistake: When Callie places the hockey player's hand X-Ray on the chart, in the first shot it is on the left of the board. In the next it is dead centre and then back to being on the left again. (00:09:35)