Bye-bye, Everyone! Goku Returns to the Next World (バイバイみんな!!孫悟空あの世に帰る, Bai Bai Min'na!! Son Gokū Ano Yo ni Kaeru) is the one hundred thirthy-sixth episode of Dragon Ball Z Kai. Its Japanese air date is November 9, 2014. Its American air date is October 14, 2017.
Majin Buu lays waste to another village and turns its citizens into clay in order to build himself a house for a brief rest. Meanwhile, Goten and Trunks are slightly bored from their training. They ask Goku to show them his Super Saiyan 3 transformation. Upon doing this, Goku uses up the remainder of his time on Earth. After saying goodbye to everyone, Goku returns to the afterlife and leaves the Fusion training in the hands of Piccolo. Meeting up with King Yemma, Goku is relieved to hear that Gohan is not dead, and he decides to follow his energy trail.