Grey's Anatomy
Season 5 Episode 17: I Will Follow You Into the Dark
Air Date: 2009-03-12
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."
Air Date: 2009-03-12
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."