"Crash Into Me, Part 1" . "fourth" . . . "fourth season" . "penultimate episode" . "Grey's Anatomy (season 4)" . "Grey's Anatomy" . "2007-09-27" . "Grey's Anatomy (season 4)#ep69" . "Grey's Anatomy (season 4)#ep72" . "Haunt You Everyday" . . "Season 4" . "Grey's Anatomy (season 4)" . "4" . . "17" . "Grey's Anatomy (season 4)#ep66" . "season 4" . "Forever Young" . "Grey's Anatomy (season 4)#ep67" . "Grey's Anatomy (season 4)#ep64" . "season four" . "Crash Into Me, Part 2" . . . . .