18 episodesFirst aired 6 January 2009
E1Jan 200924m
Dr. Kelso's beautiful but unethical replacement, Dr. Maddox, shakes things up at Sacred Heart, while J.D. struggles to manage a new crop of incompetent interns and Carla helps Elliott put her ego in check.
E2Jan 200924m
J.D. and Turk make a huge sacrifice concerning a decade-long steak night tradition for a dying patient. Meanwhile, Dr. Maddox, the new Chief of Medicine, begins to show her true colors.
E3Jan 200924m
Dr. Kelso and Dr. Cox have to work together again to get rid of Dr. Maddox, while Carla faces an incompetent intern.
E4Jan 200924m
J.D. and Elliot's relationship seems to have been rekindled when they encourage Dr. Kelso to find his true happy place.
E5Jan 200924m
Featuring a special appearance from Sesame Workshop's "Muppets", J.D. learns a lesson about the gift of compassion, while Elliot gets scammed by intern Katie to secure a spot on Turk's team.
E6Jan 200924m
Elliot and J.D. encounter a road block in their newfound romantic relationship, and Dr. Cox considers taking the now vacant Chief of Medicine post.
E7Feb 200924m
As his increasing workload from being Chief of Medicine begins to take a toll, the unimaginable happens when Dr. Cox reaches out to Dr. Kelso for friendship.
E8Feb 200924m
It's Ted's lucky day when he falls head over heels in love with an ukulele player, and Dr. Cox realizes he cannot handle everything that is thrown at him.
E9Feb 200924m
J.D. manages to still bother Dr. Cox despite being away on a vacation from the hospital. Meanwhile, Turk and Carla have some big news to announce.
E10Feb 200924m
J.D. and Turk gather up a new crop of interns as they organize their annual (and historically unfunny) sketch show.
E11Mar 200924m
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
E12Mar 200924m
J.D.'s ego becomes inflated after Dr. Cox finally gives him the recognition he's been waiting for. Elsewhere, the senior staff receives insight from the interns.
E13Apr 200924m
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.
E14Apr 200924m
The Janitor and Lady invite the Sacred Heart staff to their fake wedding in the Bahamas hoping to score some loot but their scheme is about to backfire...
E15Apr 200924m
The tropical seaside wedding goes ahead as the Janitor and Lady tie the knot which affirms the relationship of another couple.
E16Apr 200924m
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.
E17May 200924m
Change doesn't come easy for the gang when J.D. considers moving closer to his son. Meanwhile, Turk gets comfortable as chief of surgery, while Ted and Gooch reach a new level in their relationship.
E18May 200948m
J.D. is planning on leaving Sacred Heart but before he goes there are a few things that he wants to do including; getting a hug from Dr. Cox, and learning the Janitor's real name. Elliot is ready for the next step in her and J.D.'s relationship and she begins moving her furniture into J.D.'s apartment.