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".
Elenco: Donald Faison , John C. McGinley , Ken Jenkins , Zach Braff , Sarah Chalke , Neil Flynn , Robert Maschio , Sam Lloyd , Christa Miller , Travis Schuldt , Johnny Kastl , Kerry Bishé , Eliza Coupe , Dave Franco , Michael Mosley , Robert Maschio , Sam Lloyd , Travis Schuldt .