Trunks and Goten are at last ready to try performing Fusion! Although at first, their poses do not match up perfectly, and they meet with with repeated failures, finally, they succed, and the Fusion warrior Gotenks is born! Delighted at the level of power he has, he turns against Piccolo, who has ordered him to master being able to merge together while Super Saiyan, and instead flies off to take on Boo right away.