General Krosier has amnesia about what happened in the Gulf of Danzig. Dethklok are sulking until Ofdensen tells them that they've been invited to come to an execution of a number of prisoners, and to get to choose how they are executed.
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[about the band's return to performing
... We're glad you forced us out there again. Y'know, it felt good. Y-y-y'know, couple of things I would have done differently though, y'know, whatever...
Charles Foster Ofdensen
You mean like, not blind the stage driver and crash it into a prison of dangerous criminals?
Heheh - no, that was a happy accident.