When Goku refuses to join him, Raditz kidnaps Gohan. Forced into an uneasy alliance, Goku teams with his former enemy, Piccolo, to rescue his son. In a desperate battle, Goku sacrifices himself to hold Raditz while Piccolo lands a fatal blow. With his last breath, Raditz warns that two even stronger Saiyans — Vegeta and Nappa — will arrive in one year.
Five years after defeating Piccolo Jr. at the World Martial Arts Tournament, Earth’s greatest hero, Goku, now lives peacefully with his wife Chi-Chi and young son, Gohan. Their quiet life shatters when a mysterious warrior named Raditz arrives in a small pod. Claiming to be Goku’s long-lost brother, Raditz reveals Goku’s true name: Kakarot, a Saiyan warrior sent to conquer Earth. dragon ball z kai complete
Goku teaches Trunks and Goten (his younger son) the , creating Gotenks — a powerful but cocky warrior. Meanwhile, Buu absorbs Gotenks, Piccolo, and Gohan, becoming Super Buu — tall, cunning, and terrifying. When Goku refuses to join him, Raditz kidnaps Gohan
The Saiyans arrive. Nappa easily defeats the Earth’s mightiest warriors, killing Chiaotzu, Tien, Yamcha, and Piccolo (who dies protecting Gohan). Goku arrives, fresh from King Kai’s training. He defeats Nappa with ease. Then comes Vegeta — arrogant, ruthless, and powerful. The battle is brutal. Goku uses Kaioken times four to overpower Vegeta’s , but Vegeta transforms into a Great Ape after Gohan’s tail grows back. Crushed, Goku passes the fight to his friends. With Krillin’s desperate strategy and Yajirobe’s surprise sword slash, they cut Vegeta’s tail. Gohan, in a rage, crushes Vegeta’s armor as a Great Ape himself. Vegeta barely escapes on his pod. Krillin spares him on Goku’s wish — a mercy that will later define the universe. With his last breath, Raditz warns that two
Ten years later. Goku and Vegeta have surpassed Super Saiyan 2. Gohan is a scholar. Buu is reincarnated as a good boy named . At the World Martial Arts Tournament, Goku flies off with Uub to train the next generation — smiling, because the adventure never truly ends.
Meanwhile, the other Z-Fighters (Krillin, Tien, Yamcha, Chiaotzu, and Yajirobe) train with Kami and Mr. Popo. Goku trains in the afterlife under King Kai, learning devastating techniques like the and the Spirit Bomb .
The only hope is the . Goku and Vegeta, now revived, reluctantly fuse into Vegito — the single greatest warrior in existence. Vegito toys with Buu, even fighting as a candy (a jawbreaker that kicks Buu’s ass). But they are absorbed. Inside Buu, they free the absorbed fighters, causing Buu to transform into his original, pure form: Kid Buu — small, pink, and utterly insane, with no reason, only destruction.
