Scrubs S07 E03 My Inconvenient Truth

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

J.D's brother Dan returns and delivers a few home truths to his little brother. In the meantime, Elliot and Dr. Cox debate over the morals of their practice and the staff of Sacred Heart find the Janitor's behavior rather odd after he watches "An Inconvenient Truth".