Sci-Fi martial arts action! After years of training and adventure Goku has become Earth s ultimate warrior. And his son Gohan shows even greater promise. But the stakes are increasing as even deadlier enemies threaten the planet. DRAGON BALL Z is the ultimate science fiction-martial arts manga. In the aftermath of his battle with Goku Vegeta retreats from Earth vowing revenge. In search of a way to resurrect their dead friends Kuririn Gohan and Bulma go into space in search of Namek--Piccolo s home planet where the Dragon Balls were originally made. But Namek has become a battleground where evil emperor Freeza and his minions are slaughtering the peaceful Namekians to fulfill Freeza s wish for immortality! Stranded on a planet full of enemies the three astronauts radio back to Earth...but \ help\ comes from an unexpected source as Vegeta turns against his former master Freeza in order to get the Dragon Balls for himself!