Kanata and the crew of GUTS-Select are shaken by an unforeseen event... Just who is the mysterious figure that appears before Kanata?! When the true face behind the sphere and the truth about Ultraman Decker are revealed, a dynamic miracle form appears!!

Fugitive Agams suddenly reaches out to GUTS-Select and Captain Murahoshi is called to Agams’ hideout alone… Finally, Agams reveals the truth of the shocking events from the future timeline?! What does he mean by “Earthlings’ crime”? Can Kanata and GUTS-Select finally take Agams into custody?!

3 hours left until the Sphere Barrier starts to shrink. The 3 hours is the last hours of hope for humanity! To destory the Sphere Oblelisks, Kanata and GUTS-Select start a joint operation with TPU.

However, the Terraphaser stands before them...!

What will Kanata do to save Agams!?

As Earth's apocalypse approaches, the injured GUTS-Select members puts their final plan into action in hopes to defeat Mother Spheresaurus! Will Kanata and the others be able to move forward to the future!? And what awaits them there!?