Ultraman Mebius & Ultra Brothers

Four of the Ultraman Brothers — Ultraman, Ultra Seven, Ultraman Ace and Ultraman Jack — battle U-Killer Saurus, a monster is so powerful it threatens to overwhelm even their combined might! The creature escapes to Earth. The four Ultraman Brothers trap the beast under the sea. But in doing so the heroes lose their super powers. They will spend the rest of their lives as ordinary human beings. In the present day, Ultraman Mebius protects the Earth. But the most powerful aliens that have ever battled the Ultraman Brothers have plans to release U-Killer Saurus and conquer the world. When the aliens launch their combined attack, even Ultraman Mebius cannot defeat them. Can the Ultraman Brothers regain their powers to help Moebius fight the aliens? Will they succeed in their plans to revive U-Killer Saurus?