Teddy Altman

(S06E09) "According to Google, you don't exist" - Cristina Yang

We've reached a maximum capacity on Grey's Anatomy where all the billed characters showed up for a few seconds on the show then disappeared; even the bartender showed up. This left a lot of characters segregated to the side. Meredith returned and was out of the loop for most of the episode, stuck in a room practicing her craft on a plastic dummy.

We also found the return of Izzie and the introduction of a new cardio doctor, Dr. Teddy Altman. While I grew to like Teddy, I really wished that Izzie would just go home and never come back.