A memory loss patient is the peg for a look back on the last seasons of Scrubs, when the Sacred Heart crew looks back at their memorable moments.

Lucy finds couplings, dysfunctional or not, throughout the hospital

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.

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

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.

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.

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.

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.

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.

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 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.

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

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.

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.

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. fears being contaminated with Hepatitis B, after a needle accidentally sticks his forearm. Meanwhile, Elliot has a hard time combining her new relationship and keeping up with studies. Turk obsesses about getting in shape, after Carla makes a fat joke about him.

Elliot begins enjoying luxuries since she has extra money with her new private practice gig. But eventually, J.D. becomes jealous of her and that forbids him the use of these privileges. Dr. Cox and the Janitor become roommates in one of the hospital suites, while Turk tries to convince Carla that she has postpartum depression and that she needs help.

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

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.

When a rampaging Dr. Cox suddenly shows up at his door in a strange funk, J.D. sees a possibility of a breakthrough in their relationship - until he learns that Cox loses control in almost an annual rite. Meanwhile, Turk elects to partner with Elliot on a research project so that he can maneuver her back with his buddy J.D., and Carla struggles to fulfill a comatose patient's final request - playing heavy metal music in his room.

Carla and Elliot try to help a patient, Maggie, lose her virginity as she prepares to die. Walking in on her sister and Dr. Cox prompts Danni to move in with J.D. Dr. Cox attempts to convince Turk to do a kidney transplant for a patient he has "moved up" the list. But a personal grudge seems to stand in the way and may decide whether the patient lives or dies.

J.D.'s brother Dan returns for a surprise visit and Elliot learns that J.D. has been telling Dan that she still likes him. A patient with weight-related problems needs an MRI, but he's too big for the machine. Carla and Turk freak out when they begin to discuss baby names. Meanwhile, Dr. Kelso assigns Dr. Cox to assist Ted with malpractice claim paperwork after Dr. Cox insults Dr. Kelso's son.

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".

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.