J.D. believes he may have finally found a mentor in Dr. Kevin Casey, a surgeon with obsessive-compulsive disorder, and it turns out that Dr. Cox has always been jealous of the guy. Meanwhile, the Janitor and his new assistant help Kelso out with a garbage problem.
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 .