It was originally released in Japan on March 9 between episodes 81 and 82 at the Toei Anime Fair as part of a double feature with the first Magical Taruruto-kun film.

Due to his advanced Namekian hearing, this causes Piccolo pain; he angrily orders Gohan to stop when they both sense an approaching threat incoming from outer space.

An army of humanoid alien soldiers exit the ship and declare the Earth under the rule of their leader, Lord Slug.

From the ship, Lord Slug observes that Gohan has a magical Dragon Ball sewn onto his hat which he loses during the scuffle.

After his henchmen render Gohan unconscious and reveal the plan to convert the planet into a biological spaceship, Slug appears and uses telepathy to read Bulma's mind; he learns about her radar used for tracking the Dragon Balls.

Through telepathy, King Kai warns Goku that Slug is a "Super Namekian", a bloodline of violent warriors obsessed with power.

[6] A third English version produced and released exclusively in Malaysia by Speedy Video, features an unknown voice cast.