A man injured in a bar fight teaches Turk and J.D. a lesson about living life to the fullest. Dr. Cox and Jordan have different opinions on having another child or not.

Elliot starts showing J.D. up as the calmer, more competent doctor. A date with the Janitor leads to an a cappella sing-off between his "group" and Ted's band. Turk starts taking his diabetes more seriously when he realizes t...

When J.D. has to address a bunch of pre-medical students about what it's like to be a doctor, he strays off the beaten path and chooses to discuss his best moments as a doctor instead. When he challenges the rest of the staff to do so,...

J.D. takes matters into his own hands while searching for a relative for his favorite patient. Meanwhile, Elliot is fed up with her coworkers not taking her seriously and discovers, with some help from Carla and Jordan, that she can get he...

With the case against Turk on his mind, J.D. attempts to end it with Neena, but she won't take "no" for an answer and keeps him wrapped around her finger. Carla tries her own way of persuading Mr. Corman to drop the lawsuit. ...

J.D. is approached by Neena Broderick, a malpractice attorney, asking him to do a risky procedure on her father. Meanwhile, Elliot guides Doug to a new career path and Turk struggles to avoid a hypochondriac patient.

When Molly takes a job at a different city, she and J.D. end up having a night of kissing, and he tries to rush to sleep with her before she leaves. Dr. Cox goes on ambulance duty with a maniac, who he eventually finds out is a woman who ha...

When J.D. finds Dan with Elliot, Turk tells him to use the "hurt brother excuse" to get them to break up, just like Turk uses his Diabetes to get stuff from Carla. But then J.D. realizes he wasn't hurt at all... Dr. Cox and D...

When Dan resurfaces, J.D. is shocked to learn that his father has passed away. The reactions from his co-workers help J.D. a little, but the one person who he wanted to be there for him, Dr. Cox, is too busy with J.D.'s patients. Meanw...

Elliot becomes unsure, if she wants Molly as her mentor, when she finds out that Molly does not have a perfect home life. J.D. is tested in leadership skills when Dr. Cox yells at him in front of his interns. Carla and Turk try to come to a...

J.D. is shocked to hear Dr. Cox tell his interns that eventually, they will screw up and kill a patient. J.D. fears his first time killing someone will soon be upon him. Elliot is upset with Molly, after she disagrees about a patient's...

Dr. Cox is having issues with Jordan, since Ted revealed that they are still technically married due to some filing problems. J.D. has problems of his own as he can't shake off the tag of Co-Chief Resident the Janitor assigned to him, ...

Molly tries to reconcile J.D. and Elliot, while waiting to see which one Dr. Cox will give the Chief Resident position to. Molly and Carla are experiencing some subtle conflict and Elliot and J.D. begin to come together after long boughts o...

The new Dr. Molly Clock arrives with her spaced out personality and doesn't cease to call J.D. "Johnny". But J.D. is fine with it, because there is nothing that is going to bring down his last week of being a resident before ...

Lex is told he is destined to defeat the Traveler and is taken to the Fortress to learn how; Chloe is arrested; Lana awakens from her comatose state; Clark and Lex face off in the Fortress

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.