James and Martin captain two teams of Los Angeles home brewers in a competition to create the best new boundary-pushing beer.

James and martin create a revival beer in New Orleans; building a mobile brewery on the back of a fan boat.

Andy Klein of the Alaskan Brewing Co. helps the guys concoct a survivalist beer; James and Martin create their beverage in an ice cave, using glacier water and spruce tips as ingredients.

James and Martin travel to Hawaii and make a sugarcane and coconut flavored "Hot Lava Rock" beer.

James and Martin use ingredients from Northern California brewers to create beer.

James and Martin make an ancient beer that hasn't been brewed for many centuries.

Sam Calagione from the Dogfish Head Brewery attempts to assist James and Martin try and create a brand new beer while racing in the back of a truck.

Anthony Gibson attempts to help James and Martin craft the world's most expensive beer in Las Vegas.

James and Martin visit Revolution Brewing in Chicago, where they team up with the craft brewery's managing partner Josh Deth to create the 'greenest' beer ever for Saint Patrick's Day.

James and Martin pick up local ingredients in Durham, then concoct a high-calorie beer with the help of Sean Lilly Wilson.