There is no gunman roaming Seattle Grace on this year's Grey's Anatomy season finale, but from the looks of the sneak previews below, there will be casualties just the same.
The emotional toll will be heavy as Derek and Richard learn - via Alex - what Meredith did to potentially put the trial at risk. Meanwhile, Cristina is pregnant ... and not thrilled.
Elsewhere, Henry is not ready to bid Teddy farewell, whether she's a real wife or not. Just for good measure, there's a 757 crash that requires the SGMWH surgeons' attention.
Watch six clips from "Unaccompanied Minor" below and weigh in now ...
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