The shocking end of the season in which it is revealed that John Doe is George, and Izzie collapses.
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A terrific scene from the Grey's Anatomy season finale. It wasn't traditional, but this Meredith-Derek "wedding" was very romantic just the same.
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In yet another sneak preview of the Grey's Anatomy finale, Izzie gets some advice on what to do from a patient.
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Alex asks Derek what to do ... not as a doctor, but as a friend.
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In an emotional sneak preview of the Grey's Anatomy season finale, Izzie asks for a vote on what surgical route to take.
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Owen talks to Cristina about his mom. And how he hasn't seen her yet.
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Mark wants Lexie to move in with him in this preview of the season finale ... and sort of gets shot down.
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Hunt and Callie treat a patient you may recognize (Zach Gilford of Friday Night Lights) and his character just wants to get back to Iraq!
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Grey's Anatomy Season 5 Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

Richard: I hear congratulations are in order
Meredith: What?
Richard: The engagement. Our very own Seattle Grace wedding. I couldn't be happier for the both of you.
Meredith: Thank you Sir. Did you have an assignment for me?
Richard: Dresses.
Meredith: I'm sorry?
Richard: Stevens has transformed her room into a bridal boutique. So go, try on dresses. That's an order.