In the series premiere, host Zachary Levi gets the party started as NCIS: LA's Eric Christian Olsen and his team the Han Solo Cups is pitted against Hart Of Dixie star Scott Porter's Tequila Mockingbird team in a round of geeky trivia, group challenges, and jello shots.

Zachary Levi invites YouTube superstar iJustine and her team Ewoking Dead to face off against geek legend and Firefly alum Alan Tudyk and his team Slurenity for a heart-pounding throwdown of geek trivia, challenges, and a shield storm.

The battle for geek supremacy rages on as host Zachary Levi welcomes team On A Bender, led by Futurama's John DiMaggio, to throw down against team Hot Pub Time Machine, led by Grimm's David Giuntoli, in a trivia game battle of epic proportions.

Host Zachary Levi brings Mark Pellegrino and his team Barma Initiative to the bar for a brainy showdown against Brett Dalton and his team Make It A Double Agent. It's a night of games, smarts, skills, and shots.

Host Zachary Levi brings together pal Felicia Day and her team Beer Me Up, Scotty to match wits against Dexter Darden and his team Maze Rum Runners in bar trivia battles, group challenges, and drinking games.

Host Zachary Levi welcomes Grey Damon and his team Whiskey Business and their opponents, Josh Brener with his team Down and Nerdy, for a duel of trivia, team tasks, and bar games.

Host Zachary Levi invites Jonathan Sadowski and his team Light Sobers to the bar to battle Lenny Jacobson and his team Ale Storm in brain busting trivia, team challenges, and bar games.

Host Zachary Levi invites Rob Kazinsky and his team Cocktails and Screams to face off against Dominic Monaghan and his team Lost Island Iced Teas in a showdown of geek trivia, team challenges, and bar games.

Zachary Levi hosts sci fi superstar Harold Perrineau and his team Les Quizerables, as they battle against funny man Zachary Knighton and his team Smartinis, in rounds of trivia, team challenges, and bar games.

Zachary Levi hosts Matthew MacCaull and his team, Beer the Reaper, as they take on Andrew Daly and his team, Monty Python and the Holy Ale, in nerdy trivia questions, group challenges, and bar games.

Host Zachary Levi invites Tricia Helfer and her team, Battle Bar Galactica, to face off against Kevin Weisman and his team, Weapons of Mass Consumption, in a showdown of trivia knowledge, group challenges, and bar games.

Host Zachary Levi invites actress, comedienne Retta (Parks and Recreation) and her team Menace 2 Sobriety to battle against leading man Robert Buckley (iZombie) and his team Frank-Einsteins in geek trivia, team challenges, and bar games.