An image from the episode "Haunt You Every Day."
... Mouse? George meets a woman dressed in costume. Hey, it's Halloween and anything goes.
Lexie Grey is a cutie, even wearing pigtails and yellow scrubs. We look forward to seeing more and more of this character.
Cristina leans back and looks on with her usual expression of disinterest. But we all know the mind of Dr. Yang is complex, to say the least.
Ava / Jane Doe / Rebecca Pope won the heart of Alex Karev last season... now she's back. Will he make the same error and let her slip away again?
Call her Ava, call her Jane Doe, call her Rebecca Pope. Call her what you want... Alex loves her, and she's back!
George and Izzie. Their status continues to confound and cause great debate among Grey's Anatomy fans. Where will this love triangle (with these two and Callie Torres) lead?
You don't see George too happy these days, so this photo of him smiling at Izzie comes as a rare sight. Will it last?

Grey's Anatomy Season 4 Episode 5 Quotes

Richard: Dr. Yang, did you hear? Dr. Hahn has agreed to become our new head of cardio-thorasic surgery.
Cristina: You can't have my apartment.

Mark: Good morning.
Olivia: Don’t. Don’t do that. Don’t smile at me.
Other Nurse: Don’t smile at her. Don’t smile at me either.
Olivia: We’re on to you.
Other Nurse: We’ve compared notes.
Mark: Compared notes? Really?
Olivia: Compared notes. Compared pick-up lines. Compared techniques.
Mark: Techniques...
Olivia and Other Nurse: Identical.
Mark: Identical?
Olivia: We formed a club. Nurses United Against Mark Sloan.
Mark: Are there any club activities?