This season features guest appearances from the likes of Corpsegrinder (Cannibal Corpse), Cam Pipes (3 Inches Of Blood), Dweezil Zappa, actor Jon Hamm and director Werner Herzog. 2012 is a big year for Adult Swim's favorite metal band. They will be performing live from USS Midway in July at Comic Con, headlining a 34 date concert tour starting this August, and releasing a new album this fall. All of this couldn't be complete without the Blu-ray and DVD release of Metalocalypse Season 4 on October 30. Special Features: Facebones DethGame FanArt Tribute BlackKlok Montage Sequence Tribunal BTS LateNight Nathan reads Shakespeare #4: A Comedy of Errors