Overview: Voice Actor and "Critical Role" Dungeon Master Matthew Mercer leads adventurers through the new Dungeons and Dragons storyline, "Storm King's Thunder". Players include Chris Hardwick, Ashley Johnson, Jonah Ray, Utkarsh Ambudkar, Shelby Fero and Brian Posehn. New episodes posted every Monday at the Nerdist, and posted later at Geek & Sundry.