Portal:Anime and manga/Anniversaries/September/September 18

September 18:

OVA/ONA series Television series and specials
 * 2003 – Tenchi Muyo! Ryo-Ohki OVA 3 (vol.1)
 * 1971 – Star of the Giants finishes airing on NTV
 * 1977 – Ippatsu Kanta-kun begins airing on Fuji TV