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

Turk and Elliot struggle to find the cause of a patient's body pain and Carla tries to organize the annual group photo.

J.D. plans a date with Kim on their night off but Elliot keeps getting in their way. Meanwhile, Elliot throws a baby shower for Carla.Perry and Jordan hand over all of Jack's stuff to Carla. And someone announces a very surprising pregnancy.

When Private Dancer is released from the hospital, the military informs him that his injuries are too severe to be reinstated into the service, so he gets depressed. The Sacred Heart staff try to cheer him up, while the Janitor is having a fish problem.

Kim moves in with J.D. in order to raise their child together. J.D. learns from Turk and Dr. Cox that fatherhood changes the way of how to see things.

Carla complains to Elliot about her being a control freak when they prepare the bachelorette party.

While Turk views an inspiring story on SportsCenter, he comes up with a new procedure which may help a paralyzed teen. Meanwhile, Dr. Cox and the janitor are suffering from romantic problems

A combination of a full moon and some bad luck causes Sacred Heart's new crop of interns to receive their toughest case load yet while Elliot makes an important decision regarding her future as a doctor.

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.