Dragon Ball Z: The World's Strongest

Dr. Raichi is one of the only survivors of the Tuffles, a race that once lived on Planet Plant before the coming of the Saiyans. The Saiyans not only massacred the entire Tuffle race, but also stole their technology and conquered the planet, renaming it Planet Vegeta in honor of their king. Raichi managed to escape with a capsule and found refuge on the Dark Planet, a world at the end of the universe. His only wish is to eradicate the last remaining Saiyans.

While the Saiyan Paragus persuades Vegeta to rule a new planet, King Kai alerts Goku of the South Galaxy's destruction by an unknown Super Saiyan.

A Saiyan Space pod crash-lands on Earth out of which a wounded Saiyan crawls: Broly, the Legendary Super Saiyan. The wounded Broly shouts out in frustration and turns into normal form. The place soon freezes, trapping him in it and he falls into a coma.

In order to wish for immortality and avenge his father, Garlic Jr. collects the dragon balls, kidnapping Goku's son Gohan in the process. Goku, Kami, Piccolo, and Krillin unite to rescue Gohan and save the world from being sucked into a dead zone.