Ultra Galaxy Mega Monster Battle: Never Ending Odyssey

After a grand adventure on Planet Boris, which had turned into a lawless monster zone, the spaceship Space Pendragon finally managed to escape. However, a new journey awaited them on their way back to Earth. They face challenges from other "Reionics" who control monsters with Battle Nizers just like Rei, plus a mysterious threat aiming to wipe out all Reionics!