La tragédie continue

Buu is blasted apart by the explosion but he reforms after the destruction of the Earth, and goes on a rampage throughout the galaxy. He goes from planet to planet, looking for Goku and Vegeta, and then destroys each planet when he doesn't find them. He goes to the Grand Kai's planet, and starts to toy with everyone there. When he becomes bored, he creates an energy ball, intending to destroy the Grand Kai's planet. Supreme Kai offers Goku and Vegeta his fusion earrings, but they both refuse them. They raise their power levels so Buu will know where to find them. Buu abandons his attempt to destroy the Grand Kai's planet and teleports to the world of the Kais. (Source: Wikipedia)