When did Grey's Anatomy Season 6 Episode 23 air?
Grey's Anatomy Season 6 Episode 23 aired on May 20, 2010 at 9 PM ET.


Seattle Grace Hospital is hit with a crisis like no other in its' history.
Direct answers for episode-level questions and details.
Grey's Anatomy Season 6 Episode 23 aired on May 20, 2010 at 9 PM ET.
This episode runs for approximately 43 minutes.
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