Anime
Tottoko Hamtarou
Summer 2000
Tottoko Hamtarou OVA 1: Hamtaro no Otanjoubi - Mama wo Tasunete Sanzen Techi Techi
Autumn 2002
Tottoko Hamtarou OVA 2: Hamuchanzu no Takara Sagashi Daisaku - Hamuha! Suteki na Umi no Natsuyasumi
Winter 2003
Tottoko Hamtarou OVA 3: Hamuchanzu to Niji no Kuni no Oujisama - Sekai de Ichiban no Takaramono
Winter 2004
Tottoko Hamtarou OVA 4: Hamuchanzu no Mezase! Hamuhamu Kin Medal - Hashire! Hashire! Daisakusen
Autumn 2004