Overview: The somms travel to Sonoma for the TopSomm National competition where they will have one last opportunity to master the skills needed to pass the Master Sommelier Exam. Josh has a Blind Tasting training session with Pascaline Lepeltier, one of the most respected Master Sommeliers in the business and Josh learns that to pass the Master Sommelier Exam this is the one challenge that is really standing in his way.