"Death and All His Friends" is the season finale of the sixth season of the American television medical drama Grey's Anatomy, and the show's 126th episode overall. It was written by Shonda Rhimes and directed by Rob Corn. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on May 20, 2010. The episode was the second part of the two-hour season six finale, the first being Sanctuary, and took place at the fictional Seattle Grace Hospital. On its initial release the episode was viewed by a total of 16.13 million viewers and opened up to universal acclaim. The episode centers a shooting spree at the hospital by a former patient's husband Gary Clark (Michael O'Neill). The episode marked the last appearances for Nora Zehetner and Robert Baker as D