When J.D.'s underachieving brother Dan returns for a surprise visit, Elliott learns that J.D. has been telling Dan that she's still into him, but when the truth comes out, Dan turns to the Janitor to get back at J.D. As everyone reacts to the pregnancy in different ways, Carla and Turk begin to discuss baby names, and despite his promise to Carla, Turk is unable to keep quiet about their initial choices. After assigning someone else to assist "sweaty Teddy" with incoming malpractice claim paperwork, Dr. Cox is caught off guard when Dr. Kelso steps in to stick him with the job. Meanwhile, a patient with weight-related problems needs an MRI, but the staff has to come up with a solution when they find he's too big for the machine.