With national supply chains disrupted, Mark and Digger unearth a ton of free ingredients; Tickle helps Josh build a submarine still farm; Mike designs a first-ever backwoods column still, perfect for endless runs of high-quality low-cost liquor.

In the spirit of Christmas and a new season of Master Distiller, Tickle challenges fellow moonshiners Josh, Mike and Daniel to compete to make the tastiest Christmas spirits. Mark, Digger, and Tim judge who wins a special backwoods prize.

When Josh lands a windfall of peaches, he and Tickle forge a peach brandy-making alliance; Mark and Digger's plans dry up when their surplus corn supply mysteriously disappears; Mike and Jerry's column spews ethanol vapor, causing a panic.

Distillers compete to make a 300-year-old spirit called Cherry Bounce, a favorite drink of George Washington's, nearly lost to time; Josh Owens, whose family kept the recipe alive for generations in the backwoods, joins as guest judge.

With his partner in quarantine, Digger has much more on the line than shine; Mike and Jerry's moonshine Frankenstein turns on its creators; after decades in the backwoods, Mark Rogers enlists his father to run with him for the first time.

Mark and Digger deploy an old-world innovation to bring their barrel-aged reserves to market; Tim attempts to make Tickle's CBD moonshine on a commercial scale; Josh puts himself at the mercy of the mountains' greatest peril -- a rookie shiner.

Tickle and the Laws unleash a 700-gallon run on a whisper-quiet steamer still; Mark and Huck traverse Appalachia's roughest terrain to run liquor with moonshine legend Jim Tom; Mike and Jerry engineer a high-tech solution to a backwoods problem.

Distillers compete to distill true navy strength rum, but the bar for entry is 114-proof; with Tickle as honorary pirate and judged by Mark, Digger and Tim, only one distiller can earn the title of Master Distiller.

Mark and Digger's plan to employ an out-of-work friend backfires on payday; Tim invents a low-cost way to make his first single-malt moonshine; with their backwoods column still cranking out liquor, Mike discovers Jerry isn't carrying his own weight.

Mark and Digger attempt oatmeal raisin shine for a high-flying Nashville customer; Mike and Jerry find themselves under the gun when they over deliver on proof to a biker gang; Mark and Huck forge a lifeline to old-time shiners deep in the mountains.