Sneak Peek: Tonight’s Grey’s Anatomy Finale!

05/22/2008 AT 12:00 AM EDT

Tonight's two-hour season finale of Grey's Anatomy (ABC, 9 p.m. EST) promises a big trauma that will shock even the most seasoned docs at Seattle Grace. While the docs are busy dealing with this medical crisis, we're sure creator Shonda Rhimes has something equally jaw-dropping for Mer/Der and Drs. Torres and Hahn. Watch a sneak peek right now!

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