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

September 18:

OVA/ONA series

• 2003 – Tenchi Muyo! Ryo-Ohki OVA 3 (vol.1)

Television series and specials

• 1971 – Star of the Giants finishes airing on NTV
• 1977 – Ippatsu Kanta-kun begins airing on Fuji TV