Scrubs

J.D. gets stuck with a patient whose diagnosis he can't quite pin down.

J.D.'s feeling left out on his friendship with Turk.

Finding difficulties on training his interns, J.D. calls out to Elliot for some help. She indicates Sean, who gave Elliot great tips based on his dolphin training that fit perfectly for her interns. This only makes J.D. even more jealous of Elliot, but Sean is OK with it since he doesn't consider J.D. a threat. Meanwhile, Dr. Cox finds the ideal pediatrician for his son: Dr. Norris, who acts and looks just like him (besides the hand puppet thing). And Cox is quick to find a conflict with him once Jack develops a cough that freaks out both him and Jordan.

Sean is a bit surprised to learn about Elliot and JD's history together.

Elliot tries to deal with her own problems of a long-distance relationship.

Carla's brother Mark comes to visit, but he still hasn't forgiven Turk.

Dr. Kelso accidentally punctures his eardrums.

Turk is happy that he finally makes it through a solo surgery.

Elliot's feeling uncomfortable using clinical terms for her patient's private parts – a result of a repressed childhood and an accidental orgasm she inflicted on a patient during a pelvic exam - so Carla tries to teach her how to say "vagina" and "penis" without blushing. Meanwhile, Dr. Cox crashes at J.D. and Turk's after taking bad advice from J.D. Carla suggests no more sex until the wedding and Turk only comes to terms with it after learning the real meaning of romance from a patient with prostate cancer. Ultimately Carla backs down on her own idea when she has a stressful day at work finally letting people make fun of her.

Carla and Elliot try to help a dying patient lose her virginity.

J.D. tries to break-up with Danni, but she beats him to it.

J.D. believes he may have finally found a mentor in Dr. Kevin Casey.

Elliot finds herself perplexed over a simple procedure.

Dr. Cox learns Ben hasn't visited a doctor about his cancer.

Turk tries to impress the new female surgeon, Dr. Miller.

A butterfly prompts the question on what could have happened different.

J.D. must keep a secret when Carla's "what-if" guy asks her out on a date.

One of Elliot's patients unintentionally teaches her a lesson.

J.D. hooks up with Danni again.

Elliot asks Sean to move in with her.

J.D. realizes he made a mistake telling Elliot he loved her.

The big day for Turk and Carla has finally arrived.