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. Three years ago, the time traveler Trunks came from the future to warn Earth's heroes about terrifying androids. Now, the future has become the present: Dr. Gero has unleashed his creations, Androids #19 and #20, to get revenge against Goku for defeating the Red Ribbon Army! But even three years of advance warning may not be enough to prepare the heroes to face robots more powerful than Super Saiyans! And when Trunks returns to join in the fight, they discover that time travel can be dangerous...because sometimes the future changes in ways you don't expect...

Contains stories of Son Goku, Earth's greatest hero, who defeats his alien brother, Raditz, only to die himself. Now Earth awaits the arrival of Raditz's partners who will steal the Dragon Balls and wipe out life on Earth.

The Lord of Lords, mightiest of the deities, has come to Earth--and he needs the help of Goku, Gohan and Vegeta! From across aeons of time, from across the stars, the evil wizard Bobbidi has returned, gathering chi energy to resurrect the imprisoned djinn Boo, the most powerful creature that ever existed. Beneath the ground in a buried spaceship, Bobbidi has assembled a menagerie of vicious beasts from across the galaxy, ready to defeat our heroes and feed their power to the djinn. But the most vicious enemy of all is already standing in the heroes' ranks...