6x21 - Dragon Ball Z: Dragon Box

At last, the fight between fellow Saiyans, Goku and Vegeta, had begun! Just as Babidi had expected, the fierce mortal combat was playing out. Babidi was allowing the two to fight in order to store up the energy required to revive Boo. Right before his eyes, the energy gauge started rising. Would this go on until, at last, the terrible Majin Boo is restored to life?