Aria the Natural: Sono Futatabi Deaeru Kiseki ni...
Japanese title: ARIA The NATURAL「その 再び出逢える奇跡 に…」
Type: Special
Episodes: 1
Source: Manga
Genres: Fantasy, Sci-Fi, Slice of Life
Studios: HAL Film Maker
Producers: TV Tokyo, Shochiku, Mag Garden
Duration: 5 min
Rating: G - All Ages

Short episode entitled "A Miracle Of Us Being Able To Meet Again", which can be also considered as "Aria the Natural" episode 0.