Brent and Rob are joined once again by Dan Avidan (having appeared two episodes ago) and this time, by Arin Hanson as well, for the full Game Grumps package.  Arin and Dan host the video game playthrough web series Game Grumps and start this episode off with some Mame That Chune-esque action, leaving Brent and Rob feeling a bit inadequate as video game music connoisseurs, but perhaps you,