The Doomstar Requiem: A Klok Opera is a one hour rock opera special for the Adult Swim animated series Metalocalypse. It was announced on May 10, 2013, by Adult Swim and was released on October 27, 2013. The special picks up directly after the Metalocalypse season 4 finale with Dethklok searching for Toki Wartooth after his kidnapping. It featured all new music from Dethklok, which was released on an album on October 29, 2013.
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