J.D. plans a date with Kim on their night off but Elliot keeps getting in their way.

J.D. challenges an urologist's assessment on a consult for a patient in need of a risky surgical procedure. He also starts to fall for her.

J.D. feels that the same things happen over and over again at the hospital.

Dr. Cox starts drinking after his decisions result in the death of three of his patients. The staff tries to convince him how inspiring he is for them.

J.D. asks Dr. Cox out for lunch but runs into annoying former patient Jill Tracy, who unexpectedly teaches him something about responsibility.

Turk and Carla turn J.D.'s old bedroom into a nursery for the baby.

J.D.'s brother Dan returns for a surprise visit and Elliot learns that J.D. has been telling Dan that she still likes him.

When J.D. rearranges his schedule to allow himself more time to spend with Turk, Turk secretly resents hanging out with J.D. in that time, because it interferes with his own "Turk Time".

Turk finds out that Carla is pregnant before she does, so J.D. convinces Turk to tell the entire hospital staff to surprise her with the news. However, Carla wants to personally share her baby news with everybody instead, thus Turk and J.D. need to try and contain the hospital gossip.

J.D. urges Dr. Cox and his fellow doctors to do special unconventional things for their patients, but J.D. himself is not sure he can shave his head for a woman undergoing chemotherapy, after meeting a woman who loves his hair.

J.D. is sick of perfect intern Keith and he's not the only one.

J.D. and Dr. Cox go through the five stages of grief with their favorite patient, who is declining in health.

Dr. Kelso is outraged when he discovers, that a bird has been living at Sacred Heart. He orders the Janitor to dispose of it immediately. However, the Janitor likes the bird so much, he secretly keeps it as a pet.

J.D. is still dealing with his recent breakup and trying not to kill intern Keith, who has become annoyingly perfect.

J.D. is annoyed that Julie doesn't laugh, so Elliot encourages him to tell her his feelings and Turk tries to use psychology to fix the issue.

J.D. meets the klutzy Julie, and when he becomes smitten, Elliot attempts to help out with romance advice.

J.D., Turk, Elliot and Carla are interrogated about the mysterious death of a patient.

In a "Wizard of Oz" homage, J.D. is trying to go home, Turk searches for a heart donor and Carla worries that she doesn't have the courage to become a parent.

J.D. mistakes an elderly woman's happiness as her wish to stop the treatment for a fatal illness.

Dr. Cox's born-again-Christian sister Paige comes to visit for her nephew's baptism.

J.D. is asked to introduce Dr. Kelso at an awards dinner, so he wants to find out something good about him.

While planning his birthday, J.D. finds a list of things he wanted to accomplish, before he turned 30. He enters a triathlon to begin.

J.D. wants to show Dr. Cox and Dr. Kelso how to treat interns, but instead he finds out that they laugh at his bad jokes out of fear and respect.

Attending at Sacred Heart, J.D. now has to deal with his own interns.