Watch Grey's Anatomy – Season 6 Episode 4: Tainted Obligation
Cast: Kevin McKidd , Kim Raver , Jason George , Ellen Pompeo , Chandra Wilson , James Pickens Jr. , Caterina Scorsone , Camilla Luddington , Chris Carmack , Anthony Hill
Directors: Shonda Rhimes
Watch Grey's Anatomy – S6E4
Episode Overview
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.
