Comedienne Retta heads up Menace 2 Sobriety in a battle against Robert Buckley and his team Frank-Einsteins when Season 1 comes to a close.

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

Jonathan Sadowski's 'Light Sobers' compete against Lenny Jacobson's 'Ale Storm'.

Harold Perrineau heads up Les Quizerables in a match against Zachary Knighton's Smartinis team.

Team “On a Bender”, led by voice of Futurama's Bender John DiMaggio, competes against Grimm star David Giuntoli and the members of “Hot Pub Time Machine”.

Team “Han Solo Cups”, led by Eric Christian Olsen, compete against self-proclaimed gamer, geek and sports nerd Scott Porter and the members of team “Tequila Mockingbird”.

Team “Slurenity”, led by Con Man Alan Tudyk, competes against internet celebrity iJustine and the members of team “Ewoking Dead”.

Grey Damon's 'Whiskey Business' competes against Josh Brener's 'Down & Nerdy'.

Host Zachary Levi invites Rob Kazinsky and his team Cocktails & 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.

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.

Felicia Day and her team "Beer Me Up, Scotty" match wits against Dexter Darden and his team "Maze Rum Runners."

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