Finn and Jake chase the Lich through a dimensional portal where they meet Prismo, who tells them that the Lich wished for the extinction of all life This leads Finn to wish that the Lich quot;never even ever existed
Angel, a member of a punk rock band in the apocalyptic future, is kidnapped by Mok, a legendary superocker Obsessed with a dark experiment, Mok plans to use Angel#39s voice to summon a demon from another dimension The rest of the band follows Mok to Nuke York in an attempt to get her back