The Grotto of the Boy Monster S24E24 - The Grotto of the Boy Monster 1987
- Released: 1987-08-08
- Runtime: 50 minutes
- Genre:
- Stars: Ryousuke Kaizu, Kouichi Kusakari, Issei Hirota, Yuki Nagata, Kanako Maeda, Hayato Tani, Mina Asami, Keijirō Shiga, Kaori Kubota, Shunta Fuchino, Hiroshi Takeda
- Director: Takao Nagaishi