Portal:Anime and manga/Anniversaries/March/March 31

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

• 1990 – MAROKO
• 2007 – Tetsujin Nijūhachi-gō: Hakuchū no Zangetsu

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