Zac Levi hosts as team "Han Solo Cups" is pitted against team "Tequila Mockingbird."

Zach Levi dished out the questions - and the jokes - while teams Ewoking Dead and Slurenity drank. Hilarity ensued and a good time was had by all, per usual.

John DiMaggio and team went head to head with David Giuntoli and his merry band of geeks.

Team “Barma Initiative”, led by Mark Pellegrino in a battle of wits against Brett Dalton and the members of “Make It a Double Agent.”

Felicia Day's team 'Beer me up Scotty' takes on Dexter Darden's 'Maze Rum Runners' in a battle of the Nerd IQ's. The teams go head to head in categories ranging from Shakespeare, condoms to comic books.

It was a knock 'em out, drag 'em out brawl of the brains in this episode of Geeks Who Drink. Grey Damon and his crew "Whiskey Business" compete against the nerdy might of Josh Brener and team "Down and Nerdy".

It was a battle of the wits as Jonathan Sadowski and team "Light Sobers" went head to head with Lenny Jacobson and the "Ale Storm" crew. Care to take a guess at who won?

Rob Kazinsky's "Cocktails & Screams" competes against Dominic Monaghan's "Lost Island Iced Teas."

Team "Les Quizerables" battles "Smartinis." Who will reign geek supreme?

Team "Beer the Reaper" challenges their nerd IQ against team "Monty Python and the Holy Ale."

It's "Battle Bar Galactica! vs "Weapons of Mass Consumption"!

Retta's 'Menace 2 Sobriety' competes against Robert Buckley's 'Frank-Einsteins'