惑星改造によって生まれ変わった水の星「アクア」。その観光都市ネオ・ヴェネツィアを舞台に、ウンディーネ（水先案内人）を夢みてマンホーム（地球）からやってきた１５歳の少女、水無灯里を主人公に優しくてちょっぴり切ない物語が広がります。
ARIA (シーズン 0)
That Miracle in Which We May Meet Again... (エピソード 1)
放送日: 2006-05-07
上映時間: 5 min
概要: A short promo that aired after the first six episodes of Aria the Natural aired on AT-X.
Aria the OVA: Arietta (エピソード 2)
脚本家: Junichi Sato
放送日: 2007-09-21
上映時間: 31 min
概要: Akari finds herself nervous coaching a new undine as a Prima, until she awakens to find that it is just a dream. To soothe her worries, Alicia recalls stories of her beginnings as a Prima, as well as the memories she made.
In That Little Secret Place... (エピソード 3)
脚本家: Ayuna Fujisaki
放送日: 2008-06-25
上映時間: 24 min
概要: On her day off, Akari goes for a walk with President Aria through a residential neighborhood of Neo-Venezia. Bonus DVD episode between Aria the Origination episodes 5-6.
Picture Drama 1: Pajama Party (エピソード 4)
脚本家: Ayuna Fujisaki
放送日: 2008-04-25
上映時間: 8 min
Picture Drama 2: Traghetto Epilogue (エピソード 5)
脚本家: Tatsuhiko Urahata
放送日: 2008-05-23
上映時間: 5 min
Picture Drama 3: Aiming for that Glorious Victory... (エピソード 6)
脚本家: Kenichi Takeshita
放送日: 2008-06-25
上映時間: 7 min
Picture Drama 4: The Disgrace of Neo-Venezia (エピソード 7)
脚本家: Reiko Yoshida
放送日: 2008-07-25
上映時間: 7 min
Picture Drama 5: Alice's Ghost Story (エピソード 8)
脚本家: Tatsuhiko Urahata
放送日: 2008-08-27
上映時間: 7 min
Picture Drama 6: Akatsukin-chan (エピソード 9)
脚本家: Ayuna Fujisaki
放送日: 2008-09-26
上映時間: 6 min
Picture Drama 7: Together With Spring... (エピソード 10)
脚本家: Reiko Yoshida
放送日: 2008-10-29
上映時間: 6 min
Aria the Avvenire: To You, Who I Wanted to Meet... (エピソード 11)
脚本家: Reiko Yoshida
放送日: 2015-09-26
上映時間: 17 min
概要: The first episode of Aria the Avvenire's story starts with Ai practicing on the gondola with Akari. As they travel through a canal, they meet Aika and Alice. All three have not had much time to meet since becoming Prima undines. Considering even the little time they spend together a "miracle," Akari remembers a certain incident and relates it to Ai.
Aria the Avvenire: That Warm Goodbye... (エピソード 12)
脚本家: Reiko Yoshida
放送日: 2016-03-23
上映時間: 20 min
概要: The second episode's story begins with Ai relating a story to Akari of her experiencing a "miracle" while she was practicing. She saw Cait Sith as she was traveling down an unfamiliar path. When she disembarks from her gondola to follow it, she meets two Single undines from Himeya company and Orange Planet in the middle of practice.
Aria the Avvenire: To That Far Away Future... (エピソード 13)
脚本家: Reiko Yoshida
放送日: 2016-06-24
上映時間: 28 min
概要: Episode 3 of Aria the Avvenire.
Aria the Avvenire Sound Novel: The Days of Those Pairs... ~Azusa B. McLaren Chapter~ (エピソード 14)
放送日: 2016-03-23
上映時間: 15 min
Aria the Avvenire Sound Novel: The Days of Those Pairs... ~Anya Dostoyevskaya Chapter~ (エピソード 15)
放送日: 2016-03-23
上映時間: 15 min
Aria the Avvenire Sound Novel: After That Party... ~Aino Ai Chapter~ (エピソード 16)
放送日: 2016-06-24
上映時間: 20 min
Aria the Avvenire Sound Novel: We who are Happy and Embarrassed... ~Boys Chapter~ (エピソード 17)
放送日: 2016-06-24
上映時間: 15 min
Episode 18 (エピソード 18)
放送日: 2021-12-03
上映時間: 2 min
Episode 19 (エピソード 19)
放送日: 2021-12-03
上映時間: 2 min
Episode 20 (エピソード 20)
放送日: 2021-12-03
上映時間: 2 min
Episode 21 (エピソード 21)
放送日: 2021-12-03
上映時間: 2 min
Episode 22 (エピソード 22)
放送日: 2021-12-03
上映時間: 3 min
