Synopsis by Mark Deming
In this animated sci-fi adventure from Japan, the Saiyans, an evil race of alien warriors, have sent their deadliest soldier, Raditz, to the Earth with two assignments -- find his brother Kakarot and kill every human on the planet. However, when Raditz arrives, he is met by Goku, Earth's greatest champion, who is determined to defend the planet against the Saiyan invasion. But what will happen when it is revealed that Goku is actually Raditz's long lost brother?
alien [not human], brother, destruction-of-mankind, good-vs-evil, invasion, warrior