Turk's competitiveness is starting to annoy J.D., especially when it crosses the line of personal jokes and comes to patient's matters.

Meanwhile, Dr. Cox finally has a taste of good coffee, but thanks to his feud with Dr. Kelso, the only nurse who was able to make it gets fired. Elliot meets a very attractive patient, whom she instantly identifies, but has a really hard time getting him to ask her out.

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.

A run-in with her old flame Sean and an accident in her new car lead Elliot to the realization that nothing good has happened to her in the three years that she has been at Sacred Heart. This realization drives her to take drastic measures, including a complete makeover, both inside and out, in an attempt to change her luck.

Meanwhile, J.D. gets stuck with a patient, whose diagnosis he can't quite pin down, and when Dr. Cox denies him any assistance, he looks to Carla and Turk to help him out. While Dr. Cox is busy not helping J.D., he takes the time to make amends with Dr. Kelso.

J.D. is feeling left out of his friendship with Turk and gets hurt when Turk is scared of opening up to him.

Meanwhile, Carla is driven crazy over an unidentified urine sample, and Elliot tries to balance Sean and her career, so that one doesn't end up getting in the way of the other.

Finding difficulties training his interns, J.D. asks to Elliot for some help. She tells J.D. about Sean, who gave Elliot great tips based on his dolphin training that fit perfectly for her interns.

Dr. Cox finds the ideal pediatrician for his son: Dr. Norris, who acts and looks just like him. However, Dr. Cox is quick to find a problem with him once Jack develops a cough that scares both him and Jordan.

Sean is a bit surprised and disturbed to learn about Elliot and J.D.'s history together, but it turns out his anger is really a cover up for his upcoming six month long trip and he doesn't want Elliot to explode.

Dr. Cox. is forced to swallow his pride and actually ask for help when he decides to throw his hat in the ring for the Residency Director position at the hospital.

Carla picks up an extra shift as a surgical nurse, which allows her to spend the day working alongside with Turk, to his great annoyance.

Elliot feels uneasy with the proper terms for sexual organs, especially after performing a pelvic exam; J.D.'s patient refuses to have surgery for prostate cancer.

Turk has to confront a young patient of his, when he accidentally cuts a nerve and the boy (who happens to be a concert pianist) loses use of one of his hands.

Meanwhile, one of Elliot's patients unintentionally teaches her a lesson about her relationship with J.D.

J.D. hooks up with Danni again, after Sean returns, but he can't forget about his passionate night with Elliot.

Meanwhile, Dr. Cox realizes, that he might actually have a crush on the one doctor he loathes.

Elliot asks Sean to move in with her, which only adds to J.D.'s problems.

Turk is unsure why Dr. Miller's attitude towards him has changed, until he finds out that Carla un-invited her from their wedding.

Dr. Kelso outrages Dr. Cox when he announces that Sacred Heart will begin doing full body scans, starting with an ever present hypochondriac patient, who wants any freebies he can get.

The big day for Turk and Carla has finally arrived, but a patient holds up Turk.

With Elliot still angry at him, J.D. attempts to reconcile her with Sean as a way to make everything right again in their friendship.

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.