The med students are thankful when Cole identifies his true calling; Lucy finds her inspiration.

The med students are thankful when Cole identifies his true calling; Lucy finds her inspiration.

Dr. Cox names Lucy team leader for hell week, but the young student takes her role a bit too seriously. Turk, meanwhile, battles insecurity when a renowned surgeon comes to town

New realities are experienced when Lucy starts operating on people and J.D. and Elliot have their baby.

Lucy finds couplings throughout the hospital.

Before receiving their white coats, the med students of Winston University must figure out why they want to be doctors, and Denise gets a little relationship help from Elliot.

J.D. and Turk have time to party, when their wives are out of town.

Lucy learns her first hard lesson in being a doctor.

J.D., Turk, Drs. Cox and Kelso and Intern Denise return to Sacred Heart to teach med school, while new med students Lucy, Drew, Cole and Maya are put through the ringer on their first day of school.