While Buu is distracted, Dende heals Tien. He suddenly senses that Vegeta has returned, and uses Instant Transmission to teleport to his location. He considers fusions with Dende and Hercule, but neither of them are appealing possibilities. Now back in control, Buu toys with Goku, telling him he has some time to find someone to fuse with. He reabsorbs the blob containing Gohan, and is now even more powerful than he was with Gotenks absorbed. Knowing he needs a massive power increase, Buu causes the part of his head that was cut off earlier to suddenly engulf Gohan, just like Piccolo and Gotenks. Realizing what's happened, Goku declares he can now defeat Majin Buu without fusing with Gohan and prepares to fight. Inside Super Buu, Gotenks' fusion wears off, splitting back into Trunks and Goten, causing Buu to lose well over a third of his power and his appearance to change. Goku goes Super Saiyan 3 in an attempt to hold Buu off while Gohan searches for the earring. Desperate to stop Majin Buu, Goku throws Gohan the other earring, but his aim is off and the earring is lost in the rubble. His legs deal Tien a crushing kick which completely incapacitates him and then they return to Buu. It cuts off his legs and part of his head. Buu tries again, but Goku suddenly appears and sends a disk of energy at the monster. Just before it hits, it is deflected by Tien's Tri-Beam attack, who has decided to help, even though he is terribly outclassed. Dende heals Gohan's injuries, so to prevent this from happening again, Buu creates a giant energy ball and aims it at Dende. Old Kai tells Supreme Kai and Kibito to try a fusion with their earrings, but only after they fuse together does he reveal that it is a permanent fusion. Upon their return to the lookout, Buu tells Gotenks that he ate all of his friends, and enraged, Gotenks promises Buu that he will pay. In this state, he has the power necessary to create a hole for him and Piccolo to jump through. Gotenks decides to play his trump card, transforming into a Super Saiyan 3.
Piccolo and Gotenks have been attempting to scream loud enough to create an inter-dimensional hole like Buu did, but they have no success. Back on The Lookout, Buu is hungry and excited at the prospect of turning more people into food, and so he turns everyone on the lookout into chocolate. Buu changes shape in order to fit through it, and the hole closes, leaving Piccolo and Gotenks trapped. To everyone's surprise including his own, his screams become so powerful that they create a hole in the barrier between the dimensions of the chamber and Earth. Hysterically upset at the prospect of being trapped in the Hyperbolic Time Chamber forever, with nothing to destroy and no candy to eat, Super Buu starts to scream.
Thinking that Gotenks cannot stop Buu, Piccolo destroys the door to the outside world, which traps the three of them in the Chamber for all eternity. To play up the drama of the situation, Gotenks acts like he's out of ideas, and Buu begins beating up the fused Saiyan. Gotenks and Piccolo destroy all of the pieces, but the smoke coming from the pieces gathers above their heads and reforms Super Buu. Gotenks sends the final one down Buu's mouth, blowing him into tiny pieces. He sends all but one at Super Buu, and they reduce him to a deformed puddle of his former self. Gotenks creates ten ghosts that detonate with explosive force when they are touched. He spits out a ghost of himself, and plans to use it against Buu. Gotenks decides to use another one of his special moves, called the Super Ghost Kamikaze Attack. After a brief struggle, Buu is able to break the ring. He then creates a ring of energy, the "Galactic Doughnut" and uses it to trap Buu. After it is clear that these moves have no effect, Gotenks talks strategy with Piccolo. The problem is that these moves, while flashy, are ineffective against Buu, not to mention they have ridiculous names, like the "Screaming Angry Wombat". Super Buu and Gotenks begin to fight, and Gotenks decides to use some of his new special moves.