In the beginning of the movie, 20 years ago, on the moon, the 4 Ultra brothers, Ultraman, Seven, Jack, and Ace were fighting a deadly foe known as Yapool, a monster that was several times their size. As they fought, Yapool had a clear advantage and used his several claws to grasp the brothers, although, they managed to clear from the claws through there powers and used a combined Specium Ray to no avail. The monster then flies off to Earth to dodge the attack and the brothers follow. The brothers were barely able to defeat Yapool but the monster still needed to be sealed. However, to seal Yapool away they were forced to give up the ability to transform, and took up jobs to be in the area of Kobe in case the monster ever returned.

A young boy discovers a magical rock that can make any wish come true. But the rock is stolen by a school bully who uses it to create a powerful and dangerous monster. The only way to stop the beast is to enlist the help of superhero Ultraman Gaia. The boy does everything he can to help the XIG Team, a brave group of humans who have direct contact with Ultraman Gaia as well as Ultraman Dyna and Ultraman Tiga.

Ultraman Shadow, Ultraman Zearth's most terrifying adversary yet, is brought to Earth by the murderous alien, Lady Benzen to be Ultraman Zearth's assassin. Ultraman Shadow is a warrior of darkness equipped with mysterious powers. Prepare to witness the ultimate showdown, colossus versus mighty colossus, the battle ground: Planet Earth!

Ultraman Zearth hails from The Land of Pikari in Nebula Z95. He has a big red face and dislikes dirt, and will go to great lengths to wash it off his hands. His goal is to clean the polluted Earth. He transforms with an electric toothbrush, which is consistent with his hygiene fixation. He's not quite adept at being a superhero, but at least he tries his best.

A former 3D theme park attraction at Sanrio Puroland. A spaceship called Earth is dispatched to investigate the disappearance of its counterpart on a monster-filled planet beyond our Solar System. Once there, it quickly spots the downed craft, and is promptly attacked by Mothra and Rodan. It spots Godzilla and opens fire on him, giving the Planet enough time to escape.