Akira Toriyama (RIP) and Toyotaro could have been easily written an interim arc like this, if they haven't fleshed their "Universe 7's True Strongest" by then:
AGE 782 - Several weeks have passed since Black Frieza proven his dominance on Cereal; Don Kee and his Imeckian Army (Ledgic, Gale and Sheela and their goons) invade the Earth to take over it and its precious Blue Aurum supply.
As this happens Trunks, Goten and the Pilaf Gang play soccer filled with gags at Capsule Corp.; At the same time, Piccolo is busy training in the Hyperbolic Time Chamber so he's clueless about what's happening outside, Gohan is in a middle of a very important conference and Krillin is in the middle of a police ceremony along with his family so they're all preoccupied as well.
Filling in are the other Human Z-Fighters: Yamcha, Tien and Chiaotzu who burst into the battlefield and have this party started and stretched over a few months in-reality.
The battles are written here in the image:
I always loved Dragon Ball GT and hoped that some of its best part will eventually be/get canonized.