Ultraman Mebius S1 E48 - Final Trilogy I: Advent Of The Emperor Ultraman Mebius

Impelaizer's great army suddenly attacks. Mirai collapses after an onslaught of fierce fighting. Just then, the voice of the Alien Empera rings across the world, demanding they hand over the Ultraman Mebius in hiding. The government requests that Mirai be handed over, and Captain Sakomizu finally reveals his true identity!