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Season 8, Episode 12
Airing: January 19, 2012
Hope for the Hopeless
Richard performs his 10,000th surgery—a liver transplant involving bickering sisters (Peri Gilpin and Nia Vardalos). Meanwhile, Adele Webber is found aimlessly wandering the streets; Derek and Lexie take on a supposedly inoperable neuroblastoma case; Teddy and Cristina try to steal a case from Alex and Dr. McQueen, countermanding Owen's orders; and Meredith searches for a specialty—with Ellis Grey's ghost hovering over her.