Grey's Anatomy S06E04 - Tainted Obligation

Episode Overview

Thatcher, Meredith and Lexie's father, arrives at the hospital with a liver failure, and it's Meredith who must step in to help him. At the same time, Izzie finds herself connecting with a patient suffering from multiple tumors. Meanwhile, Mark, frustrated by Cristina's relentless competitive spirit, plays a trick on her, getting her to join in on a peculiar surgical procedure.

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