Peter Symons, author of True Blue Brews - The Origins of Australian Beer, seeks a looser definition of "lager."

Jason Dunn and Doug Walker from the Inland Empire Brewers homebrew club in California let fate choose the parameters for an upcoming competition.

Matt Giovanisci of Brew Cabin and Josh Secaur of Gambit Brewing Company join James to taste his Double IPA and formulate another hoppy kveik beer.

Chris Colby joins James to taste the Fruit Stout pasteurization experiment and to formulate a big American Malt Liquor.

Scott Housel shares two beers - one big and one small - based on the Mash Your Luck challenge of Steve Wilkes.

James is joined by Matt Giovanisci of Brew Cabin and Swim University and Josh Secaur of Gambit Brewing in St. Paul, Minnesota, as they compare their White IPAs.

Chris Colby and Steve Wilkes join James to taste Steve's Kölsch and to formulate an experimental beer using pasteurization to preserve fruit flavor.

Matt Giovanisci and Josh Secaur join James to formulate a big, hoppy beer and to sample homebrew from Matt.

James and Steve evaluate an experiment adding priming sugar to beers bottled from a keg.

Mike Tonsmeire, the Mad Fermentationist and co-founder of Sapwood Cellars, shares three hoppy sours and tips on working with hops, barrels, and blending.