Portal:Anime and manga/Anniversaries/September/September 20

September 20:

Film releases
 * 1991 – Gamba to Kawauso no Boken

Television series and specials
 * 1984 – Futari Daka begins airing on Fuji TV
 * 1986 – Hikari no Densetsu finishes airing on TV Asahi
 * 1988 – Oraa Guzura Dado finishes airing on TV Tokyo