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. Written by ABC Publicity

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. Written by ABC Publicity

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

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

JD spends his final day as a teacher trying to find out who gave him a negative review, Lucy looks for a blood buddy, and Dr. Cox tries to convince Denise that Drew has taken charge of their relationship.

While Turk struggles to find a replacement best friend, Elliott offers some sound advice and guidance to an over-worked and exhausted Lucy.

Cole reveals Drew's most embarrassing moment when Drew beats him out as the speaker at the white coat ceremony, while Denise turns to Turk and Eliot for more relationship advice.

Lucy struggles to acknowledge that she likes Cole, Dr. Cox and Dr. Turk's rivalry is put aside for a gravely ill patient, and Denise plays a prank on the security guards at the hospital.

J.D. and Elliot's sex life disappears as they get closer to the birth of their child, Dr. Cox refuses to sign his will after a patient dies, and Lucy is terrified of cutting a familiar cadaver for a group exam.

Dr. Cox tries to find out which member of Lucy's study group cheated on a test, Drew gets in trouble when he tells Denise he loves her and then makes the situation worse, and a patient irrationally chooses surgery over treatment.

Turk is jealous when he is upstaged by a talented visiting surgeon, and the study group falls apart when Dr. Cox removes Drew from the group so that Drew can shadow him.

When Cole and Kelso both get negative results back after a few routine tests, they learn the hard way to put their egos in check in order to rein in the support of their so-called friends. Written by ABC Publicity

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