J.D, Turk, and Carla work together to diagnose one of J.D.’s patients. Elliot, frustrated that everyone walks all over her and desperately needing to change her bad-luck streak, acts on some advice from the Janitor and gets a make-over. Guest stars Scott Foley as Sean Kelly.

Turk and Carla set the date for their wedding. J.D. is worried about losing his close friendship with Turk and asks him out on a “man date.” Elliot gets back together with her ex-boyfriend Sean (Scott Foley), but the relationship has a rocky start. Carla obsesses over whose urine is in an unmarked container left [...]

Jordan and Dr. Cox worry about Jack’s slight cough and try to get him seen by the hospital’s own pediatrician, Dr. Dave Norris (Christopher Meloni), who is as obnoxious as Dr. Cox. The residents get their own interns and the inevitable problems that come with them: Turk is too heavy-handed, J.D. fails to assert his [...]

J.D. distracts the Janitor and Troy the Cafeteria Guy with a riddle. Dr. Cox and Dr. Jeffrey Steadman (Matt Winston) compete for the residency director position. Carla gets to work with Turk when she covers for one of the surgical nurses; Turk is annoyed at first but then appreciative when Dr. Wen (Charles Chun) says [...]

Dan (Tom Cavanagh) visits again and blames Dr. Cox for making J.D. cynical. After warning hospital staff against taking other jobs, Dr. Kelso catches Elliot and Carla moonlighting at an animal hospital.

Carla’s brother Marco (Freddy Rodriguez) visits and does his best to aggravate Turk. Dr. Cox and Dr. Kelso differ in their opinions over patient care, and Dr. Cox is surprised to find that J.D. is taking Dr. Kelso’s advice. J.D. is interested in Danni (Tara Reid), a girl who seems sweet, if a little wacky [...]

J.D. and Danni (Tara Reid) hook up, prompting Dr. Cox to reveal to Danni that J.D. slept with Jordan. Meanwhile, Dr. Cox and J.D. deal with an extremely annoying patient, Jill Tracy (Nicole Sullivan), and almost miss something extremely important because they spend so little time with their patients (an average of 15 seconds, according [...]

When Dr. Cox badly hurts his back showing off in front of Turk, he begins to realize he’s not as young as he used to be. J.D. isn’t impressed with the false personalities the Janitor uses on the rest of the staff, until he recognizes him playing a transit policeman in The Fugitive (in which [...]

After accidentally giving a patient an orgasm during a pelvic examination, Elliot admits she has a problem with the clinical terms for genitalia. Carla attempts to help Elliot get over her fear of “dirty words,” but realizes she may be too assertive for her own good. Dr. Cox is moved by the relationship between a [...]

Elliot and Carla get arrested looking for a gigolo for a terminally-ill patient who wants to lose her virginity before she dies. Danni (Tara Reid) is uncomfortable after walking in on Jordan and Dr. Cox having sex, and asks J.D. if she could stay at his place. J.D. starts having second thoughts almost immediately after [...]

Nervous about Danni’s (Tara Reid) plans to move in with him, J.D. decides he needs to break up with her — only he’s never actually dumped anyone before. The Janitor starts flirting with Elliot again. Dr. Cox realizes that he is no longer frightening to his residents, and therefore may have lost control over them.
Featured [...]

Dr. Kevin Casey (Michael J. Fox), a skilled surgeon who has a long history with Dr. Cox and who suffers from crippling OCD, imparts wisdom to everyone at Sacred Heart.
Featured music:
* “Good Thing” by David Boyles
* “Everything’s Not Lost” by Coldplay

Dr. Casey (Michael J. Fox) and J.D discover the toilet the Janitor installed on the roof, which earns the name “epiphany toilet” after every Sacred Heart staff member finds a solution to a problem or a revelation after using it. Dr. Kelso closes down an entire wing of the hospital to save money; Dr. Cox [...]

Jordan’s siblings, Danni (Tara Reid) and Ben (Brendan Fraser) visit to celebrate Jack’s first birthday. Carla tells Turk she will only take his last name if he has his mole removed. Dr. Cox angrily blames J.D. for a patient’s death and excuses him from his duties, and is dismayed to learn that Ben has not [...]

Dr. Cox is struggling to recover from his friend’s death, and refuses J.D.’s efforts to comfort him; meanwhile, Jordan’s self-absorbed friends, Maddie (Embeth Davidtz) and Allison (Julie Warner) are staying with Jordan to comfort her. Carla scolds the Todd, Dr. Kelso and Dr. Cox about sexual harassment, and the new female attending surgeon, Dr. Grace [...]

An ever present butterfly prompts the question on what could have happened different as Turk looks for his lucky do-rag for surgery, and Elliot tries to find a lost stuffed animal for a child needing a bone marrow transplant.

Carla has dinner with a former crush and asks J.D. not to tell Turk. Elliot deals with a patient, Mr. Thompson (Alexander Chaplin), who’s adamant about not taking drugs; to her surprise, Dr. Cox insists he is a drug addict who will eventually weasel drugs out of her. The Janitor attempts to trick J.D. and [...]

This episode is narrated from Turk’s, rather than J.D.’s, viewpoint. Turk delays mailing out the wedding invitations, as it is the point of no return for getting married. During surgery, Turk makes a mistake that causes irreparable nerve damage to a young concert pianist, to whom he can’t admit his mistake. J.D. covers Elliot’s stint [...]

In an attempt to make Elliot jealous and angry, J.D. gets back together with Danni (Tara Reid), who is a different person now that she’s done being who she though J.D. wanted her to be. Dr. Cox realizes he has a crush on Dr. Miller (Bellamy Young), and Jordan picks up on it immediately. Turk [...]

J.D. and Danni (Tara Reid) break up, as neither one really cared about the other; Sean and Elliot plan to move in together. Carla is anxious about the last-minute details for her wedding, now just a few weeks away. Dr. Cox bets Dr. Kelso that no healthy patients will sign up for the full-body MRI [...]

Carla’s brother Marco (Freddy Rodriguez) arrives for the wedding rehearsal and offers Turk advice in writing his own wedding vows, as Carla wanted. After asking Danni (Tara Reid) and her new partner for advice, J.D. resigns himself to a relationship with Elliot, even if he doesn’t love her. Jordan insist that she and Dr. Cox [...]

On the day of Turk and Carla’s wedding, Turk is delayed in surgery, and is so late for the wedding, the ceremony is cancelled, but the reception is held regardless. Danni (Tara Reid) gets drunk and wreaks havoc. Guilty for having broken Elliot’s heart, J.D. finds Sean (Scott Foley) and convinces him to take Elliot [...]