Preview Clip of Grey's Anatomy Season 8, Episode 22: Who Failed the Boards? (VIDEO) Tweet May 2, 2012 by Rebecca Martin Related: Grey's Anatomy, Season 8 Episode 22 , Sneak Peeks , Richard Webber , Season 8 Credit: ABC © 2012 Disney ABC Television Group via YouTube Air date: May 3, 2012. In this sneak peek of Grey's Anatomy Season 8, Episode 22: “Let the Bad Times Roll” Katherine Avery in the bearer of bad news when she reveals to Richard (James Pickens Jr.) that one of the Seattle Grace-Mercy West docs didn't pass the boards.
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