Kazuo Niibori

Taking place after the end of the series, Doubutsu Sentai Zyuohger Returns will focus on Zyumans and humans peacefully co-exist on Earth. It is then decided that they'll have a battle to determine who will rule the Earth, but a real danger lurks in the shadows.

When Earth is tearing itself apart by means of crime, pollution and war, aliens choose the time to invade, taking advantage of the lowering of everyone's guard. The Japanese government establishes an elite police organization known as Blue SWAT to combat the aliens, known as the Space Mafia. The aliens attack by possessing humans to obtain their goals. When an alien possesses the chief of the Blue SWAT unit to infiltrate the organization, it manages to completely demolish their building of operations and murder all but three SWAT members; Shou, Sara and Sig.

A Masked Monster being chased for stealing a microfilm with EAGLE secrets hides on a houseboat to avoid Kaijo and Asuka's pursuit.

町の露天でリツコが買ってきた緑色のゲンゴロウ型のブローチ。だが、それはゲンゴロウ獣人の分身だった。リツコの血を吸って復活したゲンゴロー獣人に、ガランダー帝国のゼロ大帝は東京火の海作戦の指令を出すのだった。果たして、仮面ライダーアマゾンは、この危機をどう救うのか…。

小松左京の同名SF小説を原作に、超能力を持つ諜報員・エスパイたちの活躍を描く。田村、マリア、三木の3人は、国連の秘密組織'“エスパイ”で働いていた。エスパイとは、超能力を悪用する逆エスパイと戦うための超能力者を養成する機関である。やがて、東西冷戦の要・バルトニアの首相暗殺計画をめぐって3人の活躍が始まる……。