Scrubs S07 E04 My Identity Crisis

"Laughter is the best medicine... Especially when it's your first day as a doctor."

Turk tries to assure a worried Carla that their daughter will acknowledge her Latin heritage. Meanwhile the Janitor challenges J.D. to identify everyone in the hospital, when it is discovered that he uses nicknames, because he doesn't know the people's actual names. If J.D. can't name all of them, he must take up the mop for a day. Elsewhere, Dr. Cox realizes that he is lonely without his wife and children.