Dr. Cox spends the episode trying to figure out why he hates his intern, Ed. Cox eventually realizes it's because Ed settles with being "one of the better" and not the best.
J.D. and Denise look in on their patient, Mr. Fremont, who's dying of lung cancer and leaving behind his wife and eight year old son. Very sad... to humans like J.D. Not to Denise.
One of the best muppets on Sesame Street, Grover, makes his appearance on Scrubs dressed as a doctor. It's classic when The Todd gives him a Grover Five.