Follow the friendship between the Nobara family's pet dog Shiro and a "small dinosaur". Their connection helps the growth of Shinnosuke and the Kusakabe Defense Squad.
Shinnosuke Nohara (voice)
Yumiko Kobayashi
Misae Nohara (voice)
Miki Narahashi
Hiroshi Nohara (voice)
Toshiyuki Morikawa
Himawari Nohara (voice)
Satomi Korogi
Shiro (voice)
Mari Mashiba
Nene Sakurada (voice)
Tamao Hayashi
Masao Sato (voice)
Teiyu Ichiryusai
Billy (voice)
Takumi Kitamura
Chū (voice)
Hatanaka Yū
Ammoner Itō (voice)
Shunsuke Ito
Nana (voice)
Nana Mizuki
Angela (voice)
Haruka Tomatsu
Bubble Odorokii (voice)
Hiroki Yasumoto
San (voice)
Yu Kobayashi
Yō (voice)
Tomoko Kaneda
Young Billy (voice)
Maaya Uchida