Kagaku Sentai Dynaman

Kagaku Sentai Dynaman follows five young inventors who gather at the Yumeno Invention Laboratory to pursue their dreams under the guidance of Dr. Yumeno. When Dr. Yumeno reveals the threat of the Tailed-People Clan Jashinka, he provides the team with specialized Dynasuits and sends them into battle as Dynaman.

The Dynamen initially battle the empire's Evolution Beasts, using science, teamwork, and explosive combat techniques to protect the surface world. As the war intensifies, General Kar develops stronger Mechavolution Beasts, forcing the team to counter with their upgraded group attack, New Super Dynamite.

The conflict escalates further when the Empire awakens Zenobia, who successfully destroys the team's headquarters, the Dynastation. Internal strife begins to tear the Jashinka Empire apart, especially after the disgraced Prince Megiddo is imprisoned in the Millennium Cave following repeated failures.

During this chaos, a mysterious masked warrior known as the Dark Knight emerges, challenging both Dynaman and the Empire. His presence complicates the war, turning the conflict into a three-sided struggle between the heroes, Emperor Aton's forces, and Megiddo's hidden ambitions.

The final phase of the battle centers on Dr. Yumeno's Retro Gene, a creation capable of increasing the number of tails possessed by a Jashinka being. Zenobia attempts to use the gene to gain ten tails but dies as a result, while the Dark Knight ultimately defeats Emperor Aton and reveals himself as the returned Prince Megiddo.

The war concludes aboard the Empire's fortress, Grangizmo, where Megiddo and Chimera meet their end as the fortress explodes, bringing the Jashinka Empire's campaign against the surface world to an end.

• Kagaku Sentai Dynaman Movie (1983)