The Sacred Heart staff has to deal with their inner child, when J.D. and Turk remember their first prank, Dr. Cox has a ten year old Leukemia patient and Dr. Kelso celebrates his birthday.

J.D.'s teenage burn patient gives him a hard decision to make when he wants to go to his high school graduation. Turk doesn't want Carla to find out that he secretly learned Spanish. And to address Dr. Kelso's weight gain, Dr. Cox makes a game out of stealing his breakfast.