Continuity mistake: When Derek and Richard are in the lift talking, you can see Richard's head bandages under his hat. But when he removes his hat, his head is bare. (00:03:20)
Continuity mistake: When Meredith tries to get into the OR to see Cristina, Bailey walks over to the door to stop her, and they talk. But in the final shot of Christina, you can see Bailey's hands on her head, even though Bailey is at the door with Meredith. (00:30:00)
Continuity mistake: When Derek sits in the rocking chair in the room with the premature baby and then Addison starts listing their relationship options, the blanket hanging over the back of the rocking chair constantly changes position, evident by the green stripes on it. (00:31:50)
Continuity mistake: When Meredith and Christina lay on the grass in the park, Meredith's hands are on her chest but are by her sides in the next closeup. (00:01:55)
Continuity mistake: We see a nurse writing down "Yang, C" on the assignments board; note the handwriting. Later, when Burke notices that Christina's name is on the board, the handwriting of "Yang, C" is completely different and other minor writing differences are noticeable too. (00:27:55 - 00:33:45)
Continuity mistake: As Meredith tries to get in to see Christina, but Bailey walks over to stop her, Meredith is putting on a white surgical mask. In the frontal shot she ties the white straps of the mask into bows. But in the next shot from behind the straps hang loose and aren't in bows. (00:29:50)
Continuity mistake: When everyone rushes Christina out of the OR after she collapses, Izzy suddenly loses her blue scrubs hat between shots, with no time to remove it herself. (00:23:50)
Suggested correction: She did have the time to change. And you can see in the end of the scene when Bailey is talking to her in the elevator and Izzie is outside, the mask and the hat in her hand.
Continuity mistake: When Ellis Grey is shouting at George, calling him Thatch, Alex and Meredith run to the open door of her room. But in some shots you can see they are no longer in the doorway but are then suddenly back again. (00:16:55)
Continuity mistake: When Derek and Addison are examining the premature baby and then begin to argue, Addison's elbow is resting on the glass case in some shots, but is instantly down in others. (00:09:30)
Continuity mistake: When George askes Richard Webber if he could help examine Ellis Grey, the extras in the background walk down twice and suddenly appear and vanish. (00:18:10)
