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Grey's Anatomy

Grey’s Anatomy Season 9, Episode 20 Sneak Peek Roundup: MerDer Drama and Mysterious Infections (VIDEOS)

Grey’s Anatomy has been on a roll with dramatic episodes that balance medical insanity with relationship explosions, and tonight’s episode is no exception.

Season 9, Episode 20: “She’s Killing Me” features Meredith asking Derek to “call the lawyer” after she discovers the results of her Alzheimer’s genome mapping test, April coming clean to her virgin boyfriend Matthew, and a mysterious infection outbreak at the hospital, among other craziness.

So, to prepare you for tonight’s ep, we've rounded up all of the sneak peeks for the episode right here. Spoilers ahead, so if you want to be surprised, turn away now!

First and foremost, Meredith discovers that she has, in fact, tested positive for Alzheimer’s genetic markers. And she does not take the news well:

In fact, she takes the news so poorly that Derek has to chase after her down a flight of stairs, trying to convince her that this won’t impact them right now. But she just wants him to call the lawyer and change their will ASAP:

And though April and Matthew’s relationship isn’t as serious as Meredith and Derek’s, it looks like it’s headed that way. When he drops a “time-to-meet-my-mom” bomb on April, things get interesting:

Lastly, a team of Syrian doctors join Owen, Arizona, and April in a fake operating room, and by the end of the clip, everyone is literally in the dark. (Notably, we are, too — why are they visiting?)

Catch the next new episode of Grey’s Anatomy on Thursday, April 4, 2013, at 9 p.m. ET/PT on ABC.

Alyse Whitney is an editor at Wetpaint Entertainment. Follow her on Twitter @AlyseWhitney.

04.4.2013 / 11:51 PM EDT by Alyse Whitney
Related: Grey's Anatomy, Sneak Peeks, Grey's Anatomy Season 9

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