Dr. Kelso's beautiful but unethical replacement, Dr. Maddox, shakes things up at Sacred Heart, while J.D. struggles to manage a new crop of incompetent interns and Carla helps Elliott put her ego in check.

J.D. and Turk make a huge sacrifice concerning a decade-long steak night tradition for a dying patient. Meanwhile, Dr. Maddox, the new Chief of Medicine, begins to show her true colors.

Dr. Kelso and Dr. Cox have to work together again to get rid of Dr. Maddox, while Carla faces an incompetent intern.

J.D. and Elliot's relationship seems to have been rekindled when they encourage Dr. Kelso to find his true happy place.

Featuring a special appearance from Sesame Workshop's "Muppets", J.D. learns a lesson about the gift of compassion, while Elliot gets scammed by intern Katie to secure a spot on Turk's team.

Elliot and J.D. encounter a road block in their newfound romantic relationship, and Dr. Cox considers taking the now vacant Chief of Medicine post.

As his increasing workload from being Chief of Medicine begins to take a toll, the unimaginable happens when Dr. Cox reaches out to Dr. Kelso for friendship.

It's Ted's lucky day when he falls head over heels in love with an ukulele player, and Dr. Cox realizes he cannot handle everything that is thrown at him.

J.D. manages to still bother Dr. Cox despite being away on a vacation from the hospital. Meanwhile, Turk and Carla have some big news to announce.

J.D. and Turk gather up a new crop of interns as they organize their annual (and historically unfunny) sketch show.

While Turk views an inspiring story on SportsCenter, he comes up with a new procedure which may help a paralyzed teen. Meanwhile, Dr. Cox and the janitor are suffering from romantic problems

J.D.'s ego becomes inflated after Dr. Cox finally gives him the recognition he's been waiting for. Elsewhere, the senior staff receives insight from the interns.

A combination of a full moon and some bad luck causes Sacred Heart's new crop of interns to receive their toughest case load yet while Elliot makes an important decision regarding her future as a doctor.

The Janitor and Lady invite the Sacred Heart staff to their fake wedding in the Bahamas hoping to score some loot but their scheme is about to backfire...

The tropical seaside wedding goes ahead as the Janitor and Lady tie the knot which affirms the relationship of another couple.

Things get weird for J.D. when he discovers the identity of Kim's new man as he plans to reach out to her in order to move closer to Sam. Meanwhile, Turk starts a campaign for a promotion.

Change doesn't come easy for the gang when J.D. considers moving closer to his son. Meanwhile, Turk gets comfortable as chief of surgery, while Ted and Gooch reach a new level in their relationship.

J.D. is planning on leaving Sacred Heart but before he goes there are a few things that he wants to do including; getting a hug from Dr. Cox, and learning the Janitor's real name. Elliot is ready for the next step in her and J.D.'s relationship and she begins moving her furniture into J.D.'s apartment.

J.D., Turk, Cox, 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.

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

While their wives are out of town, J.D. and Turk attend a med student's party; Kelso says goodbye to Ted and Gooch.

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.

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

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.

Lucy finds couplings, dysfunctional or not, throughout the hospital

The reality of having a baby begins to settle in for both J.D. and Elliot while Lucy struggles with the reality of operating on people.

A case of guilty conscience plagues the med school when a student cheats on an exam and Dr. Cox takes it out on the entire class. Meanwhile, Denise makes a startling admission of her own.

Lucy takes her new assignment as hell week "team leader" a bit too seriously, and Dr. Turk feels threatened when an internationally renowned surgeon pays a visit.

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.

The med students of Winston University finally find something to be thankful for when Cole identifies his true calling in surgery, Drew finds the love of his life, and Lucy finds the inspiration to become a doctor.