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Grey's Anatomy

Grey's Anatomy

Begin again.

2005Returning SeriesNext: Feb 26 10pm ET22 Seasons465 Episodes8.2TMDB
Drama
ABC

Follows the personal and professional lives of a group of doctors at Seattle's Grey Sloan Memorial Hospital.

Created by: Shonda Rhimes
Season 5 · Episode 17

I Will Follow You Into the Dark

Aired Mar 12, 2009at 9PM·43m

Derek decides to quit after learning that more of his patients have died than survived; Izzie's interns make an unsettling discovery about "Patient X."

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Direct answers for episode-level questions and details.

When did Grey's Anatomy Season 5 Episode 17 air?

Grey's Anatomy Season 5 Episode 17 aired on March 12, 2009 at 9 PM ET.

How long is Grey's Anatomy Season 5 Episode 17?

This episode runs for approximately 43 minutes.

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