Refusing to waste more of his time with the Goseigers, Monsu Doreiku decides to go to Earth personally to use technique he and Dereputa used on to destroy countless worlds before. Reflecting on how he joined Warstar's high-ranking members, Dereputa proceeds to set up the area for Monsu Doreiku's plan. Arriving, the Gosei Angels transform and battle Dereputa but he separates Gosei Red from the others for Monsu Doreiku to fight. With the Goseigers defeated, and unable to use their Gosei Power after Dereputa tells them off for being out of their league, the Master Head intervenes and spirits the Goseigers off. Ending up back at the Amachi Astronomical Institute, after Datas snaps them out of their confusion, he presents the Goseigers a message from the Master Head about combining all of their powers to save the Earth and regain their Gosei Powers. By then, Monsu Doreiku has Dereputa stab him in order perform the Gravity Fall ceremony to pull the Moon closer into Earth's gravity, threatening all life on the planet. After communing with their respective elements to regain their Gosei Power from the Earth itself by remembering their purpose, the Gosei Angels regroup to seal Monsu Doreiku's powers to save the Earth before joining Gosei Red in defeating Dereputa. By the time Monsu Doreiku breaks free from the attack, Dereputa is hit by a Gosei Dynamic and is forced to fallback. Enraged by his defeat, Dereputa loses his composure and demands that Buredoran send Bibi Bugs to make him become a giant in size. The Goseigers form Gosei Great, with Datas Hyper arriving to help, but the robots cannot defeat Dereputa. Remembering the Master Head's message, Gosei Red summons the Skick, Landick, and Seaick Brothers to combine with Gosei Great and Datas Hyper to form Hyper Gosei Great. With their combined powers, Hyper Gosei Great performs the Hyper Headder Strike and destroys Dereputa. With the Earth safe from the Warstar forces once more, the Goseigers rest under the shade of a tree, thanking the Earth for helping return their powers.