Orion in the Sky (S08E18)

Training a zealous intern (Mekhi Phifer) leads Greene to a life-altering realization about the future of his own medical care – and his ability to provide it to others. Elsewhere, a junkie gets a lesson in life's hardships after she goes into premature labor; a museum worker displays signs of a legendary ailment usually attributed to the undead; and Corday is forced to give in to a terminal patient's demands to die with dignity. (National Broadcasting Company (NBC))