Terrifying Secret of the Majin. The Mastermind Revealed! (うごめく陰謀！！恐ろしき魔人の秘密, Ugomeku Inbō!! Osoroshiki Majin no Himitsu) is the one-hundred-seventh episode of Dragon Ball Z Kai. Its Japanese air date was June 1, 2014. Its American air date is April 22, 2017
With the Supreme Kai, Goku and the others follow after Yamu and Spopovich. On the way, they are told the story of the terrifying Majin Buu and the mage Babidi: in order to revive Majin Buu, Babidi manipulated Yamu and Spopovich to gather energy. Gohan, Videl, and Kibito follow after them, but Videl goes back, unable to keep up with their speed and wishes Gohan good luck after learning that Gohan was the one who defeated Cell, not her father. Gohan and Kibito soon catch up with Goku and the others. At the location of Babidi's spaceship, the Z Fighters and their allies observe as Babidi emerges from the ship together with king of the Demon Realm Dabura.