Umi no Triton (2000)
English title: Triton of the Sea (2000)
Japanese title: 海のトリトン
Type: Movie
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Mar 25, 2000
Duration: 17 min
Rating: PG-13 - Teens 13 or older
Genres: Adventure, Fantasy
Demographics: Shounen

Screened at the Glass no Chikyuu wo Sukue: Oyako Forum - Tezuka Osamu kara 21-seiki no Kimitachi e event at Himeji Welcome 21. In addition to the familiar characters from the original work, original characters Marine and the event's mascots Kirara and Mirara also make appearances.

(Source: Official site, translated)