Watch Conan O'Brien's team get whupped in Halo 5: Guardians by the Silicon Valley cast

Usually in his Clueless Gamer segments, late-night talk show host Conan O’Brien is in a small room playing games with his staff member Aaron Bleyaert. However, for the latest Clueless Gamer video, O’Brien and Bleyaert are joined by sidekick Andy Richter in a Halo 5: Guardians multiplayer match. The opposing team has actors Thomas Middleditch, TJ Miller, and Zach Woods of the HBO TV series Silicon Valley.