Comin' atcha! In the 13th episode, fireworks are everywhere, as Sir Marcus Walsh continues his reign as co-host. Fellow AU classmates, Dan Icenhour and Brent Pozza, relive the story of "Maggie Gompers" and how Marcus missed his viral moment. The "Bru Crew" sticks around for more laughs, thanks to impression after impression, and they get to the bottom of Sir's victory lap. And who has to drink in this week's baseball trivia game, "Son of a Pitch"?