In the aftermath of their near-indiscretion, Elliot realizes she doesn't want to be with Keith, and J.D. resolves to stop sabotaging himself.

Meanwhile, Dr. Cox and Turk find a patient they both like who is in danger of being discharged.

Kim goes into labor, and J.D. struggles to decide if he should tell her what he really thinks of their relationship. Turk, desperate to do something not baby-related, races to beat a video game before Carla discovers him. And Dr. Cox searches for someone he trusts enough to give his daughter a shot.

J.D's brother Dan returns and delivers a few home truths to his little brother. In the meantime, Elliot and Dr. Cox debate over the morals of their practice and the staff of Sacred Heart find the Janitor's behavior rather odd after he watches "An Inconvenient Truth".

Turk tries to assure a worried Carla that their daughter will acknowledge her Latin heritage. Meanwhile the Janitor challenges J.D. to identify everyone in the hospital, when it is discovered that he uses nicknames, because he doesn't know the people's actual names. If J.D. can't name all of them, he must take up the mop for a day. Elsewhere, Dr. Cox realizes that he is lonely without his wife and children.

The Sacred Heart staff has to deal with their inner child, when J.D. and Turk remember their first prank, Dr. Cox has a ten year old Leukemia patient and Dr. Kelso celebrates his birthday.

Though Elliot boasts that through private practice she gets to get to know her patients, nobody seems to care. Carla is amazed at how the Janitor was able to score such an attractive girlfriend. The doctors are improving their services to get a higher ranking on a website and although J.D. appears nonchalant initially, he is elated when he is ranked #1.

J.D.'s teenage burn patient gives him a hard decision to make when he wants to go to his high school graduation. Turk doesn't want Carla to find out that he secretly learned Spanish. And to address Dr. Kelso's weight gain, Dr. Cox makes a game out of stealing his breakfast.

When Dr. Kelso tells the Janitor that nobody cares what he thinks, he starts a newspaper called "The Janitorial" to prove him wrong. J.D. and Turk fight over their manhood issues, while Dr. Kelso is too proud to ask for help about one of his problems.

Dr. Cox had a patient that he hadn't been able to diagnose for two years, and he is back again.

Dr. Kelso has to face a retirement board when his true age is revealed. Elliot and Carla try to find enough people in favor of Dr. Kelso to keep him as Chief of Medicine.

Elliot and J.D. discover a major change in their relationship, when they spend time together looking for a former patient.

Dr. Cox contemplates his new job title, when Ted refuses to do the majority of his work, whilst Carla and Turk talk about the possibility of a second baby. Meanwhile, the Janitor claims Dr. Kelso's abandoned office for the brain trust.

After a hard day of work, Dr. Cox has the burden to tell his son Jack a good night story, so he disguises his hard day as a fairy tale about the little village Sacred Heartlia with Carla and Turk as the two-headed witch Turla, Elliot as the princess and J.D. as the village idiot.

Other people featuring are the Janitor as the giant, Keith as the prince, Dr. Kelso as the dark lord Oslek, Ted as his hunchback and of course Dr. Cox as the brave knight.

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.