Black discovers a strange symbiote that merges with him, transforming him into a monstrous villain with incredible powers. As he unleashes chaos across Sprunki, Wenda, Garnold, and Simon desperately search for a way to stop him. Using a radiation chamber powered by Funbot’s core, Simon gains steel claws, while Garnold’s visor fires powerful lasers. In a final showdown, Wenda unlocks new abilities, joining forces with the others to fight back against Black's overwhelming strength. Together, they realize Black’s new form might have a hidden weakness.