Dr. Kevin Casey comes to Sacred Heart as a visiting medical doctor and an accomplished surgeon despite being diagnosed with a severe case of obsessive compulsive disorder. Dr. Casey touches everyone at Sacred Heart in a special way during his visit, beating his old resident buddy Dr. Cox at his own game of wits, leaving [...]

J.D. decides to break it off with Danni because things are moving too fast, but he dreads the idea of having to do the deed. Ultimately, he is spared when Danni beats him to the punch by having Jordan break up with him for her. Meanwhile, Dr. Cox discovers that parenting has unearthed his sensitive [...]

Dr. Cox’ disdain for Turk reaches a new high when Turk refuses to perform a liver transplant on Cox’ patient after he admits to breaking the rules regarding the waiting list. Meanwhile Carla and Elliot try to make a dying patient’s wish to lose her virginity come true by finding her a man — a [...]

Elliot’s discomfort with sex and the proper terms for the human sexual organs reaches a new high after she performs a pelvic exam on an elderly woman with surprising results. J.D.’s patient, Mr. Cantwell refuses to have surgery to prostate cancer surgery because he doesn’t want to risk his sexual relationship with his wife. Meanwhile, [...]

Turk joins J.D. in the winner’s circle after he performs his first solo surgery brilliantly, leaving Elliot struggling to find her own defining moment. While the young residents wrestle with their professional challenges, Dr. Cox deals with the reality of growing older when his back goes out and he refuses to admit that he needs [...]

As J.D.’s relationship with Danni progresses, he and Dr. Cox are forced to spend more time together outside of the hospital, to Perry’s great chagrin. However, their antics, designed to sabotage each other, end up only aggravating Jordan and Danni. Meanwhile, as they each deal with problems in their own relationships, Carla and Elliot work [...]

A chance meeting in the elevator sparks a new friendship between J.D. and the mysterious Danni whose ongoing dialogue about her ex forces J.D. to talk about his feelings for Elliot. Meanwhile, Carla’s brother Mark comes to visit, but things are a bit uncomfortable since he still hasn’t forgiven Turk for mistaking him for a [...]

Dan decides to stay with J.D. for a while, since their mom’s new fiance kicked him out, but after spending some quality time with him at the hospital, Dan isn’t sure if he likes the cynical person his little brother has become. Meanwhile, Elliot tries to deal with her own problems of having a long [...]

Sean is a bit surprised and disturbed to learn about Elliot and JD’s history together, but it turns out his anger is really a cover up for the fact that his “little” work trip is actually six months long and he doesn’t want Elliot to explode. J.D., who has been watching their relationship develop, finally [...]

As third year residents JD, Turk and Elliot get their own set of interns and realize that they each have very different approaches training them. When JD needs help with training his interns he turns to Elliot and who refers him to her boyfriend, Sean who shares some of the training tips he’s picked up [...]