In the sixth season opener, J.D. deals with the news that he's going to be a father, Dr. Cox worries about how his anger is going to affect his offspring, and The Janitor wonders whether his personal vendetta against J.D. is a waste of time. Also, Elliot decides she too wants children.

Carla is finding the decision to return to work after having the baby tough. Elliot treats another doctor, which is always tough going. JD and Kim try to figure out how much they have in common.