After taking a slight detour with some minor off-roading, William finds his way back to Aurora Cellars to learn the inner workings on kegging wine and bottling.

William heads to Hawthorne Vineyards to tie the vines with some big machinery, and then to Chateau Chantal to do the process by hand.

After a glide around Traverse City, Mich., William meets with Larry Mawby, said to be the king of sparkling wine, to learn how the yeast gets removed from the bottles; disgorging.