Dragon Ball Z Movie 9: The Galaxy's in Danger! The Super Awesome Guy!

Synopsis:

Mr. Money has a special surprise in store for his son's birthday: he's invited aliens to take part in a special martial arts tournament! Gohan, Trunks, Kuririn and another lucky fighter make it to the semi finals, only to find out that the extra-terrestrial guests have been killed by the recently-unsealed intergalactic criminal Bojack and his gang. Taking the place of the alien warriors, Bojack's gang begins their scheme to take over the Earth. With Goku dead, it's up to Gohan and the others to save the world this time!