Goku’s quiet life with his family and friends is about to be interrupted. A new threat - a powerful and sinister alien - is on its way to Earth.

Goku and Gohan attend a reunion on Master Roshi’s island, where Goku introduces his son to all of his old friends. The smiles quickly fade, however, as an unexpected visitor - Raditz - lands on the island.

Raditz has kidnapped Gohan, and unless Goku agrees to join the sinister Saiyan, he may never see his son again! All hope is not lost, however, as a second visitor arrives, and Goku forges an unlikely alliance!

Piccolo may have a way to stop Raditz - the Special Beam Cannon! There’s only one problem. He needs time to gather energy for the blast, which means Goku must fight Raditz alone!

Gohan unleashes a mighty attack that not even Radtiz can resist! But as quickly as his power appears, it vanishes. When Raditz prepares to strike back, Goku must make the ultimate sacrifice to save his son!

Piccolo takes Gohan into the wild for a harsh training program. Meanwhile, Goku embarks on a new adventure in the next world, as he travels the endless Snake Way to reach the legendary King Kai!