It was later adapted into a one-episode OVA series in 1992, entitled Chaina-san no Y¨±utsu (¥Á¥ã¥¤¥Ê¤µ¤ó¤Î‘nôd, Chaina-san no Y¨±utsu? lit. Melancholy of Chaina-san), animated by Ajia-do Animation Works and released by Toshiba-EMI. It was later followed in 2001 by a new OVA series, produced and released by Bandai Visual, which included two arcs, Sh¨nen Kagaku Kurabu (ÉÙÄê¿ÆŒW‚˜˜S²¿, Sh¨nen Kagaku Kurabu? lit. Scientific Boys Club) and Chaina-san: Tanpensh¨± (¥Á¥ã¥¤¥Ê¤µ¤ó ¶Ì¾Ž¼¯, Chaina-san: Tanpensh¨±? lit. Chaina-san: Short Stories). In 2004, Bandai Visual released a complete DVD boxset release of the entire series in Japan, entitled WONDERBOX, which included the 2001 sequel it produced as well as the earlier 1992 series