A Super Namekian named Slug comes to invade Earth. But the Z Warriors do their best to stop Slug and his gang.

The Saiyan named Turles has come to Earth in order to plant a tree that will both destroy the planet and give him infinite strength. Son Goku and the Z Warriors cannot let this happen and duke it out with the invaders for the sake of the planet.

Gohan has been kidnapped! To make matters worse, the evil Garlic Jr. is gathering the Dragonballs to wish for immortality. Only then will Garlic Jr. be able to take over the Earth in order to gain revenge for the death of his father. Goku rushes to save Gohan, but arrives at the fortress just as Garlic Jr. summons the Eternal Dragon! Krillin and Piccolo try to help Goku, but their combined powers.