AVAILABLE FORMATS

Download Watch Now

Secure Verified

Grey's Anatomy Season 5 Episode 17 : I Will Follow You Into the Dark
7.6/10 by 7 users
Title:Grey's Anatomy
Genre: Drama
Air Date: 2009-03-12
Season Number: 5
Episodes Number: 17
Overview: 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."
Stars: Ellen Pompeo (Meredith Grey), , James Pickens Jr. (Richard Webber), , Katherine Heigl (Izzie Stevens), , Chandra Wilson (Miranda Bailey), , Sara Ramirez (Callie Torres), , Justin Chambers (Alex Karev), , Sandra Oh (Cristina Yang), , Kevin McKidd (Owen Hunt), , Brooke Smith (Erica Hahn), , Chyler Leigh (Lexie Grey), , T.R. Knight (George O'Malley), , Patrick Dempsey (Derek Shepherd), , Eric Dane (Mark Sloan),