Portal:Anime and manga/Anniversaries/March/March 31
Book releases
- 1982 – Shin Devilman novel series concludes
Manga serialization
- 1974 – Dororon Enma-kun by Go Nagai finishes serialization in Weekly Shōnen Sunday
Film releases
Television series and specials
- 1968 – Mach GoGoGo finishes airing on Fuji TV
- 1969 – Yōkai Ningen Bem finishes airing on Fuji TV
- 1977 – Groizer X finishes airing on Tokyo Channel 12
- 1979 – New Aim for the Ace! finishes airing on NTV
- 1979 – Haikara-san ga Tōru finishes airing on TV Asahi
- 1979 – Invincible Steel Man Daitarn 3 finishes airing on Nagoya TV
- 1983 – Miyuki begins airing on Fuji TV
- 1987 – Mobile Suit Gundam ZZ finishes airing on NBN
- 1989 – Mashin Hero Wataru finishes airing on NTV
- 1992 – Little Ghosts, There, Here, and Where finishes airing on NTV
- 1992 – Thumbelina: A Magical Story begins airing on TV Tokyo
- 1995 – Mobile Fighter G Gundam finishes airing on TV Asahi
- 1997 – Mojacko finishes airing on TV Tokyo
- 1998 – Berserk: Kenpū Denki finishes airing on NTV
- 1999 – Bubblegum Crisis Tokyo 2040 finishes airing on TV Tokyo
- 1999 – Steam Detectives finishes airing on TV Tokyo
- 2000 – Blue Gender finishes airing on TBS
- 2002 – Super GALS! Kotobuki Ran finishes airing on TV Tokyo
- 2005 – Air finishes airing on BS-i