Grey's Anatomy: 5.20 "Sweet Surrender" - Sneak Peek

There won't be a new episode of Grey's Anatomy until April 23, but a sneak peek is out already featuring Cristina, Izzie, Meredith and lots of wedding dresses.

"Sweet Surrender" -- As she endures aggressive treatment for her cancer, Izzie throws herself into planning Derek and Meredith's wedding, Callie introduces Arizona as her girlfriend to her disapproving father, George excels in a trauma emergency when Alex freezes, and Owen seeks help with his PTSD, on "Grey's Anatomy," THURSDAY, APRIL 23 (9:00-10:02 p.m., ET) on the ABC Television Network.

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