Grey's Anatomy Episode Guide: "Invasion"

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Last night's Grey's Anatomy saw the world of Seattle Grace as we know it turned on its head. The Mercy Westers descended, wreaked havoc and one of our own got fired.

How long will Izzie Stevens be gone? Did she really leave Alex? These questions remain up in the air for now in the wake of her abrupt departure at the end of the episode.

Lexie, Alex and Cristina each did whatever they could to upstage their new Mercy West counterparts, with largely failed results. Our people are looking dazed and confused.

Elsewhere, Callie's dad returned to convert her, but he was the one who saw the light. Bailey's patient was almost killed by Izzie, driving her to L.A. and Private Practice.

For the full rundown of events last night, here's our recap of "Invasion."

Richard and Isobel

Richard lets Izzie go. She does not take the news well.

Within the episode main page you can find links to Grey's Anatomy quotes, music, photos and videos, which we're working on compiling. These are available for all episodes!

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Grey's Anatomy Quotes

Arizona: Oh my God! I mean, I understand why you're into her. She's hot. Wait, she likes you?
Nathan: What? I mean, I'm going to try not to be offended at that.
Arizona: No, no, no. It's just that Derek was, Derek was epic for her. They were the great love story. I mean, that girl's heart beat for Derek Shepherd. It just, it never occurred to me that she would ever be with anyone else. He was perfect. He was everything. That man turned her world. It, I spooked you. Don't be spooked.

MEREDITH: "You don't get to call me a whore. When I met you, I thought I had found the person that I was going to spend the rest of my life with. I was done! All the boys and all the bars and all the obvious daddy issues, who cares? I was done. You left me. You chose Addison. I'm all glued back together now. I make no apologies for how I chose to repair what you broke. You don't get to call me a whore."
DEREK: "This thing with us is finished. It's over."
MEREDITH: "Finally."
DEREK: "Yeah, it's done."
MEREDITH: "It is done."