Though the doctors at Seattle Grace aren't typically smiling, the Insider.com video above of the"Grey's Anatomy" cast certainly includes a lot of laughter.
The blooper reel from "Grey's Anatomy" Season 8 has stars Patrick Dempsey, Ellen Pompeo, Eric Dane, Sandra Oh, Jessica Capshaw, Chyler Leigh, Jesse Williams, Justin Chambers and more from the ABC drama flubbing lines, accidentally removing articles of clothing, doing lots of weird things with their mouths and tongues and cracking up at each other.
Watch the "Grey's Anatomy" cast loosen up in the video above and tune in on Thursday, September 27 at 9 p.m. to see them scrub back into their serious roles for "Grey's Anatomy" Season 9.
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