Grey's Anatomy

Sympathy for the Devil

Aired Jan 15, 2009 · 9:00 PM ET · 43 min

Derek's mother, Carolyn, makes a surprise visit to Seattle and meets Meredith for the first time, as Mark tries to conceal his relationship with Lexie from her as well; meanwhile, death row inmate William wishes to donate his organs to Bailey and Arizona's patient, as Owen and Cristina try to go on their first date.