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."
Title | I Will Follow You Into the Dark |
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Genres | Drama |
Release Date | 2009-03-12 |
Episode Runtime | 00 Hours 43 Minutes |
Season Number | 5 |
Episode Number | 17 |
Production Companies | The Mark Gordon Company, ShondaLand, ABC Studios, Touchstone Television |