Step right up, everybody, the Space Circus Troupe is in town! Their ringleader, Domidoll, wants to turn all Zyumen evil and have them join his circus. However, the Zyuohgers won’t let him! Can the Zyuohgers protect everyone?
大伙儿、快出来凑凑热闹！外太空的马戏团进城—隆重登场咯！他们的老大—多米逗儿想借著难得机会，把这一批坏蛋“兽人”尽数收入麾下，以壮大马戏班阵容。然而，兽王者肯定不轻易就范！兽王者能否成功抵挡住黑帮势力， 竭力地保护所有人；深入虎穴的恶“兽人”，会因此善罢甘休吗？