Scrubs S07 E09 My Dumb Luck

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

Dr. Cox had a patient that he hadn't been able to diagnose for two years, and he is back again. Dr. Kelso has to face a retirement board when his true age is revealed. Elliot and Carla try to find enough people in favor of Dr. Kelso to keep him as Chief of Medicine.