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.

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!

Korin wants Krillin, Yamcha, Tien, and Chiaotzu to report for special training! Meanwhile, Gohan’s grueling training causes him to undergo a shocking transformation!

Gohan spends his day tormenting a T-Rex. Across the planet, Tien and Chiaotzu find their training interrupted by Launch. Meanwhile, Goku tries to find King Kai on Snake Way.

Gohan continues training, but a full moon causes the young Saiyan to rampage out of control! Meanwhile, Goku makes it to the end of Snake Way only to mistake a friendly ape named Bubbles for King Kai!

Vegeta and Nappa mark their arrival with the destruction of an entire city! When the Z-Fighters confront them, the heroes must face an onslaught of Saibamen under the command of the Saiyans.

Vegeta has called a halt to the fighting, and Nappa uses the time to go on a rampage! Meanwhile, Goku reaches the end of Snake Way and races to rejoin his friends - but is he already too late?

Locked in battle with the Saiyans, Goku gives Nappa a brutal demonstration of the training he received from King Kai. Broken and defeated, Nappa must now face the ferocious wrath of Vegeta!

Goku feels the brunt of Vegeta’s fully-realized Saiyan power! Earth’s greatest hero is left with no choice except to use the Spirit Bomb. If his attack fails, he may find himself completely doomed!

Gohan, Krillin, and Bulma continue their search for the Dragon Balls with the help of their new friend Zaacro. Back on Earth, Goku has escaped from the hospital to begin training for his upcoming re-match with Vegeta.

While Krillin and Gohan visit the Eldest Namekian, they leave the seventh Dragon Ball their hidden camp. When the Dragon Ball mysteriously disappears, Bulma must embark on a daring underwater adventure to get it back!