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Grey's Anatomy
S6 E4Tainted Obligation• 43m• 2009
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Episode Synopsis
When Meredith and Lexie's father, Thatcher, returns to the hospital with a failed liver, it's up to Meredith to save his life. Meanwhile, Izzie empathizes with a patient riddled with tumors, as Mark, annoyed with Cristina's competitive zeal, tricks her into assisting on an unusual surgery.
Series Overview
Follows the personal and professional lives of a group of doctors at Seattle's Grey Sloan Memorial Hospital.