Grey's Anatomy/Bad Blood

Bad Blood
Season 9, Episode 13
Airdate	January 31, 2013
Production Number	913185
Written by	Jeannine Renshaw
Directed by	Steve Robin
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Grey's Anatomy — Season Nine

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Bad Blood is the thirteenth episode of the ninth season of Grey's Anatomy, and episode one hundred and eighty-five overall.

Starring: Ellen Pompeo (Meredith), Sandra Oh (Cristina), Justin Chambers (Alex), Chandra Wilson (Miranda), James Pickens, Jr. (Richard), Sara Ramirez (Callie), Kevin McKidd (Owen), Jessica Capshaw (Arizona), Sarah Drew (April), Jesse Williams (Jackson), Patrick Dempsey (Derek)

Guest Starring: (in credits order) Constance Zimmer (Dr. Alana Cahill), Andy Milder (Dr. Darryl Nessbaum), Camilla Luddington (Dr. Jo Wilson), Gaius Charles (Dr. Shane Ross), Jerrika Hinton (Dr. Stephanie Edwards), Tessa Ferrer (Dr. Leah Murphy), Cullen Douglas (Dr. Bob Richardson), Dominic Hoffman (Dr. Jeff Russell), Lexi DiBenedetto (Simmi Johnson)