Goku starts his semifinal match against Nam. He uses a tornado attack to push Nam out of the ring, but gets too dizzy before he can finish it. Nam then uses his aerial attack, which is supposed to leave the victim unconscious. Goku is somehow able to stand up afterwards, and jumps up in the air just like Nam. Once Nam lands, Goku kicks him out of the ring. Afterwards, Nam packs up to leave, but Jackie Chun stops him. He gives him a dyno capsule that can be used for storage. Nam asks Jackie how he knew about his water problem, and Jackie says that he read his mind. Nam realizes that Jackie Chun is Master Roshi, but Jackie keeps him quiet. He explains that he is fighting undercover to beat Goku and Krillin. He doesn't want them to know that they're already the strongest in the world. Nam then does Jackie a favor by dressing up like Master Roshi and standing in the crowd. Yamcha sees him, and no longer thinks that Jackie Chun is Master Roshi.
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