Dragon Ball Z Kai
Dragon Ball Z details the continuing adventure of Goku
as a young adult and father to his son Gohan.
After learning he is a Saiyan, Goku dies and is revived after training under the god North Kaiō.
Goku defends Earth from the Saiyans under Vegeta,
and leaves Earth to ultimately defeat them again
and the galactic tyrant Frieza.
Three years later an evil life form called Cell holds a fighting tournament to decide the fate of the Earth.
Goku sacrifices his own life and Gohan avenges his father by defeating Cell.
Seven years later, Goku is revived and quickly drawn into a fight
against a magical being named Majin Buu.
After numerous battles, destruction and recreation of the Earth, Goku destroys Buu
with the energy of everyone on Earth making a very powerful attack called "Spirit Bomb".
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