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Grey's Anatomy S6E4 — Tainted Obligation
7.9
Grey's Anatomy•Season 6•Episode 4

Tainted Obligation

7.9/10 · 1,334 votesOct 8, 200943 min

Ranked #15 of 22 in Season 6•−0.3 vs season avg

Discussion

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

Directed byTom Verica
Written byJenna Bans
Previous episodeE3 · I Always Feel Like Somebody's Watchin' MeNext episodeE5 · Invasion
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Seasons23

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Season 6 Episodes22

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I Like You So Much Better When You're Naked

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Cast13

Ellen Pompeo

Ellen Pompeo

Meredith Grey

Chandra Wilson

Chandra Wilson

Miranda Bailey

Sandra Oh

Sandra Oh

Cristina Yang

Justin Chambers

Justin Chambers

Alex Karev

James Pickens Jr.

James Pickens Jr.

Richard Webber

Patrick Dempsey

Patrick Dempsey

Derek Shepherd

Kevin McKidd

Kevin McKidd

Owen Hunt

Katherine Heigl

Katherine Heigl

Izzie Stevens

Kim Raver

Kim Raver

Teddy Altman

Sara Ramirez

Sara Ramirez

Callie Torres

Jessica Capshaw

Jessica Capshaw

Arizona Robbins

Eric Dane

Eric Dane

Mark Sloan

Crew2

J

Jenna Bans

Writer

Tom Verica

Tom Verica

Director

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Episode Summary

"Tainted Obligation" is episode 4 of Grey's Anatomy season 6. It scored 7.9/10 from 1,334 votes, ranking #15 of 22 episodes this season (season average 8.2). Directed by Tom Verica and written by Jenna Bans, it aired on October 8, 2009.

Next: E5 · InvasionBest of Season 6