After the battle against Majin Buu, peace returns to the world. One day, Goku receives a few letters challenging him to a fight. He first fights Krillin who is feeling nostalgic from their training with Master Roshi as children. Goku soon wins and fights his next challenger, Piccolo. Piccolo remembers the day they fought at the World Martial Arts Tournament and wants to fight him again. Goku eventually wins, and Piccolo is not surprised knowing that Goku was always his greatest rival. Gohan fights next wanting some training with his father. Gohan soon transforms into a Super Saiyan 2 as does Goku who easily overpowers his son. Super Saiyan 2 Vegeta then appears wanting to decide their interrupted battle before Majin Buu was awoken. Goku eventually wins, and says he wants to fight everybody another day when they are stronger.
- Goku vs. Krillin
- Goku vs. Piccolo
- Goku (Base, Super Saiyan 2) vs. Gohan (Base, Super Saiyan 2)
- Super Saiyan 2 Goku vs. Super Saiyan 2 Vegeta