Live from Bumbershoot 2013 in Seattle, Marc hunkers down with a fantastic foursome. Jon Wurster reveals what it was like to play drums for Katy Perry. Mike Vecchione commiserates with Marc over father issues. Scott Aukerman tries to figure out when he and Marc started being nice to each other. And as the show hurtles toward the finish line, Kyle Dunnigan is in danger of getting bumped. Will he make it?