Yamato Kazakiri is a well meaning but clumsy zoologist who accidentally tumbles through a portal to a mystic parallel dimension full of human-like animals known as Zyumans. At the same time, evil aliens called the Deathgaliens invade Earth, planning to use it as the field for their 100th Blood Game. Yamato must team up with four of the Zyuman Guardians to fight off the invasion. Together they’ll defend the planet as the Animal Sentai, Zyuohger!