On May 10,2013 Brendon Small and Adult Swim announced that a Metalocalypse one hour rock opera special enititled' would premiere in October 2013 and would pick up where season 4 left off and feature brand new music from Dethklok.
A Metalocalypse one hour rock opera special enititled' would premiere in October 2013. This was what Brendon Small and Adult Swim announced on May 10,2013. Brendon Small and Adult Swim would pick up. This is on May 10,2013. Season 4 left off. Brendon Small and Adult Swim would feature brand new music from Dethklok. This is on May 10,2013.