Cristina and Callie amputate a patient's foot and discuss some of the recent trials and tribulations in their romantic lives. It's a great scene from "Haunt You Every Day."
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The nurses have compared notes, and techniques, and pickup lines, and formed a group that is wholly united against Mark Sloan. Funny stuff involving the resident plastic surgeon and man whore.
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Meredith and Richard dispose of Ellis' ashes in a way Mer feels her late mother would find most appropriate. Once again, the Chief (James Pickens, Jr.) captures the scene with quiet grace and dignity.
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Another sneak peak at "Haunt You Every Day." In this minute-long clip, Meredith talks to Derek about her mother's ashes... which she for some reason has with her. Pretty funny.
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A sneak preview of Izzie and Cristina from "Haunt You Every Day." Dr. Hahn and a decision she made are the topics of this conversation they have, as is Izzie's sleeping with George.
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A preview of "Haunt You Every Day," the fifth episode of season four of Grey's Anatomy. From ABC.
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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?