From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
- Raditz lands on Planet Earth and informs Son Goku that he is not a Human, but a Saiyan, and that he is Goku's brother. He then kidnaps Son Gohan.
- Piccolo and Goku team up and form the Z Warriors.
- Piccolo kills Goku and Raditz using the Special Beam Cannon.
- Nappa and Vegeta learn of the Dragon Ballss and plot a course for Planet Earth.
- Piccolo takes Gohan to train, while the other Z Warriors train with Kami and Mister Popo.
- Goku begins to travel the Serpentine Road, but falls down into Hell. He eventually gets back up to the Serpentine Road.
- Goku meets Princess Snake.
- Garlic Jr. obtains immortality around this time.
- Garlic Jr. kidnaps Gohan and tries to kill Kami around this time.