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)

Doesn't matter how tough we are, trauma always leaves a scar. It follows us home, it changes our lives, trauma messes everybody up, but maybe that's the point. All the pain and the fear and the crap. Maybe going through all of that is what keeps us moving forward. It's what pushes us. Maybe we have to get a little messed up, before we can step up.

Alex (narrating)