Mark, Digger and Tim judge as a female distiller challenges an outlaw shiner and a pro distiller from Hawaii to make the best nut liquor. When one shiner deploys a never-before-seen process, Mark and Digger admit the results rival their own hazelnut rum.

It's Bourbon vs Scotch vs Japanese whiskey. Mark, Digger and Tim judge as three specialized distillers compete in a global whiskey showdown. Spirits expert Tim Jones joins to help determine which regional distiller will earn the title of Master Distiller.