There's No 'I' In Team - S5-E5
Continuity mistake: Lexie Grey hangs sign on George's new locker, in the next shot it disappears. (00:04:37)
Continuity mistake: Dixon is upset and rushes off. Bailey follows her into a room to calm her down. When Bailey enters we hear the sound of Bailey closing the door. In the next shot from Dixon's perspective the door is ajar 1-2 inches. Then the next shot from that angle the door is suddenly fully closed. (00:26:00)
Continuity mistake: Dr. Hunt brings a clear drink over to Christina. In the next shot, Christina takes a sip of the drink and it is dark. In the next shot, the drink is back on the table and it's clear again.