The med students are thankful when Cole identifies his true calling and 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

One of the med students cheats on a test, so Dr. Cox punishes the entire class. Elsewhere, Denise makes a surprising admission.

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

Lucy finds couplings, dysfunctional or not, 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.

Turk tries to find a replacement best friend. Elliott offers some advice to exhausted Lucy.

J.D. still clamors for Dr. Turk’s approval as he approaches his final day of teaching at Sacred Heart, Lucy searches within herself for the courage to perform a basic medical procedure on a real human, and Denise and Drew make things official.

J.D. and Turk show up in costume at a med student’s party. Meanwhile, Kelso bids a fond farewell to Ted and Gooch.

J.D. and Drew learn a tough lesson in mentoring when Dr. Cox and Lucy show them that sometimes the student is the teacher.

Lucy learns a hard lesson about what it takes to be a doctor. Meanwhile J.D. and Turk spot a potential love connection between Denise and the new med student Drew, as they play matchmakers with a little bit of help from Dr. Kelso.

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.