A special episode of Zyuden Sentai Kyoryuger, produced and released four years following its conclusion, which served as a collaboration with the mobile game Brave Frontier 2.
Humanity finally rids themselves of Godzilla, imprisoning him in an icy tomb in the South Pole. All is peaceful until various monsters emerge to lay waste to Earth's cities. Overwhelmed, humanity is seemingly saved by a race of benevolent aliens known as Xiliens. But not all is what it seems with these bizarre visitors. If humanity wishes to survive, they must reluctantly resurrect their most hated enemy, Godzilla.
Mothra and her fairies return to Japan to warn mankind that they must return Kiryu to the sea, for the dead must not be disturbed. However Godzilla has survived to menace Japan leaving Kiryu as the nation's only defense.
When a battle between Bacchusund and Bulldont to defeat the Ohranger creates a new Yokai, the team calls in some experts to help deal with the supernatural threat!