Dragon Ball Z Episode 277
End of Earth
After the chords of attachment to the roly-poly Buu are severed by Vegeta, Majin Buu is expected to mutate into a much weaker form. But instead he gets even stronger! This baffles everyone but Kibito Kai, who discloses Majin Buu’s bizarre history! And who is the first victim of this new, demonic Buu?? Mother Earth herself!