When Super Buu begins to mutate once more, Goku and Vegeta make an escape. But what is it that awaits should they manage to escape? The sinister Kid Buu is revealed and proves to be more deadly and psychotic than all previous incarnations.

With Earth erased from existence, Majin Buu begins his search for Goku and Vegeta, leaving entire worlds destroyed in his wake. But when Buu's hunt leads him to the World of the Kais, Goku and Vegeta draw the line!