舞台是浅草。初中二年级的矢逆一稀、久慈悠、阵内燕太三人，某天遇到了神秘的河童型生命体“Keppi”，并被强行夺走了尻子玉而变成了河童。 “想要变回原状的话，就通过‘某个方法’产生联系，并把僵尸的尻子玉拿来吧”。Keppi如此告知三人。究竟少年们能否相互产生联系，并夺取僵尸的尻子玉呢？！与此同时，新星玲央和阿久津真武执勤的派出所，似乎也发生了什么。
The mayhem and madness continue in season three of this biting and uproarious adult animated comedy series. Wrapping up their “Eat. Bang! Kill. Tour,” Harley Quinn (Kaley Cuoco) and Poison Ivy (Lake Bell) return to Gotham as the new power couple of DC villainy. Along with their ragtag crew – King Shark (Ron Funches), Clayface (Alan Tudyk), Frank the Plant (JB Smoove) - "Harlivy" strives to become the best version of themselves while also working towards Ivy’s long desired plan of transforming Gotham into an Eden paradise.
