Continuity mistake: Cristina walks in during the party with two containers of cupcakes, places them on the side table and walks out. When Alex opens the lid and starts picking at the cupcake toppings, in the shots facing him the top container lid is wide open, but in shots facing Meredith the lid is closed and the cupcakes are untouched. (00:40:20)
Visible crew/equipment: After Derek tells Cristina that her patient is paralyzed, when it cuts to the ICU as Cristina talks to the man's wife, the pink T-mark becomes visible on the floor at the bottom of the screen, near the right side. (00:02:05)
