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

May 31:

OVA/ONA series

• 1996 – Sonic the Hedgehog

Television series and specials

• 1977 – Piccolino no Bōken finishes airing on TV Asahi
• 1985 – Persia, the Magic Fairy finishes airing on NTV
• 1992 – Oniisama e... finishes airing on NHK