Grey's Anatomy Recap: "Fear (of the Unknown)"

The Fab Five has become the Tenacious Two.

Grey's Anatomy bid a fond and emotional farewell to Sandra Oh during Thursday's season finale as Cristina Yang set off for Zurich to become the hotshot cardiothoracic surgeon she was always meant to be. But it wouldn't be a true Grey's finale without at least one twist before the end. In this case, it initially seemed like Cristina might have been inside the local mall hit by an explosion, which was first deemed a possible terrorist attack but actually turned out to be a gas main that blew up.

Fortunately, Cristina survived her tenure at Grey Sloan Memorial, an impressive feat for a doctor who suffered through an ectopic pregnancy, a hospital shooter, floods and more! But it's also a good thing that she didn't go to the mall after all because she can now lend a hand to the overwhelmed doctors of GSM who are dealing with the victims of the explosion. Her final day serves as a walk down memory lane as she attempts to get some closure from the hospital.

But Cristina isn't alone when she leaves. When Shane realizes that his teacher is exiting, he begs to come along. She agrees and then quits. Unfortunately, there is one goodbye that she doesn't get as Owen is stuck in the middle of a surgery when she has to catch her cab. So their silent, though highly emotional goodbye is through the gallery glass from the OR. Meredith practically shoves Cristina into the cab, knowing her person won't leave of her own volition because Cristina feels like she's not finished. As Meredith says, she isn't finished; she's only just begun. Of course, Cristina returns about five minutes later to dance it out one last time with Meredith.

Among the other developments at the hospital, Bailey is poised to take Cristina's spot on the hospital board, but Cristina leaves her shares and her spot to Alex. Leah gets closure after lending a hand during the chaos. Callie and Arizona appear to decide to get a surrogate to carry their child. Meredith and Derek almost move to Washington, D.C., but after Cristina gives one last parting piece of advice to not let Derek eclipse her brilliance, Meredith decides she has to stay in Seattle, causing a huge MerDer blowup.

But the big surprise comes in the final moments when we learn that the new head of cardio Margaret Pierce(played by Kelly McCreary) is the daughter of Ellis Grey. This mystery woman was secretly put up for adoption, making her Meredith's half-sister (yes, another one!). Who's her daddy? Webber, of course. Twist!

What did you think of the Grey's Anatomy finale?

The Fab Five has become the Tenacious Two.

Grey's Anatomy bid a fond and emotional farewell to Sandra Oh during Thursday's season finale as Cristina Yang set off for Zurich to become the hotshot cardiothoracic surgeon she was always meant to be. But it wouldn't be a true Grey's finale without at least one twist before the end. In this case... read more

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Grey's Anatomy Recap: "Fear (of the Unknown)"