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Grey's Anatomy: Season 5

5x17 I Will Follow You Into the Dark
TV-14

  • 2009-03-13T05:30:00+05:30 on ABC (US)
  • 43 mins
  • United States
  • English
  • Drama

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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