The end of the world is fast approaching in the form of a giant asteroid on a collision course with Earth. Not if Goku has anything to say about it! Goku and Krillin race to the rescue. Using their incredible powers, they narrowly deflect the asteroid from its deadly course. The Earth is saved... or is it?

A dark vessel descends from the surface of the asteroid, carrying a powerful new enemy - the evil overlord, Lord Slug.

His forces have come to take control of the Earth and steal its natural resources, only in the process they intend to wipe out the entire human race! And when Lord Slug discovers the seven magic Dragon Balls, it seems nothing can stop his diabolical plans from coming to pass!

Now that Lord Slug has the power of the Dragon Balls in his grasp, can even Goku save the Earth from the clutches of this mysterious invader?