Grey's Anatomy: Season 6, Episode 18

6 - 18: Suicide Is Painless

Dr. Hunt has trouble sleeping and is still showing signs of PTSD. Teddy and Hunt have been asked to help a patient die with physician assisted suicide, which leads to a flashback of Teddy and Hunt in the Army where Hunt was asked by a friend to help him die. Mark is enjoying dating Teddy and they are not having sex and he is happy. Callie confides in Mark about Arizona not wanting children. Meredith shows signs of hating Derek as Chief, as she becomes angry at Derek when she feels he stole one of her surgeries.