The new Chief of Medicine causes a stir at Sacred Heart, while J.D. struggles to maintain the new interns, and Elliot has issues with her ego.

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. goes on a vacation.

The new interns have to perform in the Sacred Heart traditional comedy show, so J.D. and Turk offer them to write the sketches. Meanwhile, the Janitor watches Carla in a delicate situation, and Elliot and her interns Sunny and Denise argue about a patient.

Despite J.D.'s advice and help, Turk doesn't have the heart to tell patient's father the unfortunate news about his son's condition, so he decides to try a risky therapy instead. Meanwhile, both dr. Cox and the Janitor are having relationship problems, but instead of searching for solutions they end up mocking each other; so in the end, Elliot has to step up and save the day.

J.D.'s ego goes out of control when he becomes the guy everyone in the hospital goes to for help with Dr. Cox. Intern Derrick tries his best to not get involved while Turk keeps trying to get his opinion. Meanwhile, the Janitor doesn't think Sunny is strong enough to be tortured.

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 invites the Sacred Heart staff to his wedding with Lady in the Bahamas on a three days notice, hoping to score some loot, but the scheme is about to backfire, when everyone decides to actually go there...

The tropical seaside wedding goes ahead as the Janitor and Lady tie the knot, which makes the other couples think about their relationships as well.

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. is saying so-long to Sacred Heart after 8 years, but will his last day be as good as his fantasy of copping a hug from Dr. Cox or discovering the real name of the Janitor? Meanwhile, furnishings for the apartment begin showing up at J.D.'s which must mean that Elliot is ready to move on to the next level of their relationship.