Kemumaki invites Yumeko to Surprise House, an attraction full of surprises in the dark. When Kenichi sees it, he says he's going too, even though he's not good at darkness. There, Hattori teaches him the ninja technique of "Cat Glasses", but it's actually a lie to give Kenichi confidence.
暗闇で驚く仕掛けが満載のアトラクション、ドッキリハウスに夢子ちゃんを誘うケムマキ。それを見たケン一は、暗闇が苦手なくせに自分も行くと言い出してしまう。そこでハットリくんから、忍法「猫眼鏡」を教えてもらうが、実はケン一に自信を持たせるための嘘なのだった。
