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Grey's Anatomy: Season 6

6x04 Tainted Obligation
TV-14

  • 2009-10-09T00:00:00Z on ABC (US)
  • 43 mins
  • United States
  • English
  • Drama

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.

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