OVA
Selesai tayang
1 episode
Kerokero Keroppi no Kero Kero House no Himitsu
Keroppi in the Frog's Secret House · けろけろけろっぴのけろけろハウスのひみつ
Karakter dan pengisi suara
Staf dan studio
Nishizono, Satoru
Pengarang asli, Skenario
Hata, Masami
Sutradara