Tottoko Hamutaro Anime Dechu! is a direct-to-VHS OVA released on September 15, 1999. This was the first attempt at an animated adaptation of Hamtaro, and consists of four short episodes. The VHS was only released as a mail-order from the September 1999 issue of Shogakukan, and given away for free to Shogakukan staff with preschool children. (Source: Hamtaro Wikia)
MISSION SCHOOL
Ascendance of a Bookworm Part 2
Motto! Majime ni Fumajime Kaiketsu Zorori
Kaiketsu Zorori: ZZ no Himitsu
Nintama Rantarou: Saraba Ninjutsu Gakuen no Dan
Nintama Rantarou no Uchuu Daibouken with Cosmic Front☆NEXT
Nintama Rantarou: Ninjutsu Gakuen to Nazo no Onna - Kore wa Jiken Da yo! no Dan
Motto! Majime ni Fumajime Kaiketsu Zorori 2nd Season
Kaiketsu Zorori: Lalala♪ Star Tanjou
Majime ni Fumajime Kaiketsu Zorori: Zekkouchou!
Nintama Rantarou: Dokutake Ninja-tai Saikyоu no Gunshi
Gaki Deka (OVA)
J League wo 100-bai Tanoshiku Miru Houhou!!
Kakkun Café
