Geoff Stevenson

The new interns are put to the ultimate test when they're asked to perform in the annual sketch show.

While Turk waits for Carla's answer, his visiting brother reveals news about his own marriage, Dr Kelso's colleague and friend has to face the end of his career, and Dr Cox and Jordan disagree over learning the sex of the baby.

Road trip! Turk convinces J.D. that he needs to go to Tacoma for Kim's first ultra sound -- which results in an impromptu road trip for the Sacred Heart crew. After commandeering Dr. Kelso's new RV, Eliot, Carla, Keith, Ted and the Janitor join the father to be on his journey. Meanwhile, Dr. Cox and Jordan face some concern when her ultrasound reveals that their unborn child will need to have surgery.

Lucy finds couplings throughout the hospital.

The day has come for Private Brian Dancer to be released from Sacred Heart - surely all will now be well? Meanwhile, Dr. Cox informs Carla that her jokes are just not funny.

JD reminisces about his finest moments as a doctor, and Elliot is forced to confront her fear of children.