Grey's Anatomy
Tainted Obligation
Season 6, Episode 4 · Aired 2009-10-08
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.
In the series
This episode is part of Grey's Anatomy (2005–present) on ABC.
McDreamy forever — medical soap that refused to leave.
Key cast
- Ellen Pompeo as Meredith Grey
- Sandra Oh as Cristina Yang
- Patrick Dempsey as Derek Shepherd
- Katherine Heigl as Izzie Stevens
- Justin Chambers as Alex Karev
- Chandra Wilson as Miranda Bailey