Grey's Anatomy (2005)

S5E18 Stand By Me

When Derek's colleagues struggle to encourage him to return to work, Meredith finds herself needing to muster the courage to persuade him. Meanwhile, excitement fills the hospital as Mark prepares for an uncommon face transplant operation. Cristina, finally given the opportunity for her first solo surgery, becomes more preoccupied with her friends' concerns, while Izzie works hard to hide her own medical issues from everyone.